212038992 has 80 divisors (see below), whose sum is σ = 663975360. Its totient is φ = 64252800.

The previous prime is 212038991. The next prime is 212038997. The reversal of 212038992 is 299830212.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212038991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17559 + ... + 27062.

It is an arithmetic number, because the mean of its divisors is an integer number (8299692).

Almost surely, 2^212038992 is an apocalyptic number.

212038992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212038992 is an abundant number, since it is smaller than the sum of its proper divisors (451936368).

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

212038992 is a wasteful number, since it uses less digits than its factorization.

212038992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44649 (or 44637 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 212038992 is about 14561.5587077758. The cubic root of 212038992 is about 596.3097499555.

The spelling of 212038992 in words is "two hundred twelve million, thirty-eight thousand, nine hundred ninety-two".