405500220515212 has 6 divisors (see below), whose sum is σ = 709625385901628. Its totient is φ = 202750110257604.

The previous prime is 405500220515171. The next prime is 405500220515231. The reversal of 405500220515212 is 212515022005504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50687527564398 + ... + 50687527564405.

Almost surely, 2^{405500220515212} is an apocalyptic number.

It is an amenable number.

405500220515212 is a deficient number, since it is larger than the sum of its proper divisors (304125165386416).

405500220515212 is a wasteful number, since it uses less digits than its factorization.

405500220515212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101375055128807 (or 101375055128805 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 405500220515212 in words is "four hundred five trillion, five hundred billion, two hundred twenty million, five hundred fifteen thousand, two hundred twelve".