212567630028 has 24 divisors (see below), whose sum is σ = 534144301488. Its totient is φ = 65405424576.

The previous prime is 212567630017. The next prime is 212567630059. The reversal of 212567630028 is 820036765212.

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, 681306351 + ... + 681306662.

It is an arithmetic number, because the mean of its divisors is an integer number (22256012562).

Almost surely, 2^212567630028 is an apocalyptic number.

It is an amenable number.

212567630028 is an abundant number, since it is smaller than the sum of its proper divisors (321576671460).

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

212567630028 is a wasteful number, since it uses less digits than its factorization.

212567630028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362613033 (or 1362613031 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 212567630028 in words is "two hundred twelve billion, five hundred sixty-seven million, six hundred thirty thousand, twenty-eight".