212513313306660 has 24 divisors (see below), whose sum is σ = 595037277258816. Its totient is φ = 56670216881760.

The previous prime is 212513313306653. The next prime is 212513313306677. The reversal of 212513313306660 is 66603313315212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770944277496 + ... + 1770944277615.

It is an arithmetic number, because the mean of its divisors is an integer number (24793219885784).

Almost surely, 2^{212513313306660} is an apocalyptic number.

212513313306660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212513313306660 is an abundant number, since it is smaller than the sum of its proper divisors (382523963952156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212513313306660 is a wasteful number, since it uses less digits than its factorization.

212513313306660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541888555123 (or 3541888555121 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 212513313306660 in words is "two hundred twelve trillion, five hundred thirteen billion, three hundred thirteen million, three hundred six thousand, six hundred sixty".