Great diretrosnub snub prismatosnub tetrishexacosipentishecatonicosachoron

The great diretrosnub snub prismatosnub tetrishexacosipentishecatonicosachoron, or gadersospistuxphi, is a nonconvex uniform polychoron that consists of 600 great icosahedra, 4800 octahemioctahedra (falling into pairs in the same hyperplanes, forming 2400 compounds of two), 600 truncated great icosahedra, 600 quasirhombicosidodecahedra, 600 great ditrigonal dodecicosidodecahedra, 3600 pentagonal prisms, and 3000 truncated tetrahedra (600 of which form 120 truncated chiricosahedra).

One great icosahedron, eight octahemioctahedra (eight compounds), five truncated great icosahedra, five quasirhombicosidodecahedra, five great ditrigonal dodecicosidodecahedra, five pentagonal prisms, and five truncated tetrahedra (one compound and four single) join at each vertex.

It can be obtained as the blend of 5 great dipentary hecatonicosidishexacosichora and 5 great dipentary prismatodishecatonicosihecatonicosihexacosichora. In the process, some of the octahemioctahedron cells blend out.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the great diretrosnub disnub decahecatonicosadishexacosichoron.