212312992 has 24 divisors (see below), whose sum is σ = 439992000. Its totient is φ = 100569024.

The previous prime is 212312987. The next prime is 212313029. The reversal of 212312992 is 299213212.

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 3 ways as a sum of consecutive naturals, for example, 173992 + ... + 175207.

It is an arithmetic number, because the mean of its divisors is an integer number (18333000).

Almost surely, 2^212312992 is an apocalyptic number.

It is an amenable number.

212312992 is an abundant number, since it is smaller than the sum of its proper divisors (227679008).

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

212312992 is a wasteful number, since it uses less digits than its factorization.

212312992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349228 (or 349220 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 212312992 is about 14570.9640037988. The cubic root of 212312992 is about 596.5664928979.

The spelling of 212312992 in words is "two hundred twelve million, three hundred twelve thousand, nine hundred ninety-two".