Hecatonicosafaceted prismatodishecatonicosachoron

The hecatonicosafaceted prismatodishecatonicosachoron, or hi fipady, is a nonconvex uniform polychoron that consists of 120 great stellated dodecahedra, 720 pentagonal prisms, and 120 rhombidodecadodecahedra. One great stellated dodecahedron, three pentagonal prisms, and three rhombidodecadodecahedra join at each vertex.

It also has 120 dodecahedra and 720 pentagrammic prisms as pseudofacets.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the small disprismatodishecatonicosachoron.