212659806924 has 18 divisors (see below), whose sum is σ = 537556734260. Its totient is φ = 70886602296.

The previous prime is 212659806899. The next prime is 212659806941. The reversal of 212659806924 is 429608956212.

212659806924 is a `hidden beast` number, since 2 + 1 + 26 + 598 + 0 + 6 + 9 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2953608394 + ... + 2953608465.

Almost surely, 2^212659806924 is an apocalyptic number.

It is an amenable number.

212659806924 is an abundant number, since it is smaller than the sum of its proper divisors (324896927336).

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

212659806924 is a wasteful number, since it uses less digits than its factorization.

212659806924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907216869 (or 5907216864 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 212659806924 in words is "two hundred twelve billion, six hundred fifty-nine million, eight hundred six thousand, nine hundred twenty-four".