Polar facetopental prismatohexacosihecatonicosachoron

The polar facetopental prismatohexacosihecatonicosachoron, or lifpipixhi, is a nonconvex uniform polychoron that consists of 120 small dodecicosidodecahedra, 600 octahedra, and 720 pentagonal prisms.

It is in the regiment of the rectified hexacosichoron.