212791512 has 16 divisors (see below), whose sum is σ = 531978840. Its totient is φ = 70930496.

The previous prime is 212791489. The next prime is 212791541. The reversal of 212791512 is 215197212.

It is a super-2 number, since 2×212791512² = 90560455158492288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212791512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4433133 + ... + 4433180.

Almost surely, 2^212791512 is an apocalyptic number.

It is an amenable number.

212791512 is an abundant number, since it is smaller than the sum of its proper divisors (319187328).

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

212791512 is a wasteful number, since it uses less digits than its factorization.

212791512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866322 (or 8866318 counting only the distinct ones).

The product of its digits is 2520, while the sum is 30.

The square root of 212791512 is about 14587.3750894395. The cubic root of 212791512 is about 597.0143455332.

It can be divided in two parts, 21279 and 1512, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 212791512 in words is "two hundred twelve million, seven hundred ninety-one thousand, five hundred twelve".