212232972 has 24 divisors (see below), whose sum is σ = 565954816. Its totient is φ = 60637968.

The previous prime is 212232967. The next prime is 212232989. The reversal of 212232972 is 279232212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263208 + ... + 1263375.

Almost surely, 2^212232972 is an apocalyptic number.

It is an amenable number.

212232972 is an abundant number, since it is smaller than the sum of its proper divisors (353721844).

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

212232972 is a wasteful number, since it uses less digits than its factorization.

212232972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526597 (or 2526595 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 212232972 is about 14568.2178731649. The cubic root of 212232972 is about 596.4915355610.

The spelling of 212232972 in words is "two hundred twelve million, two hundred thirty-two thousand, nine hundred seventy-two".