212373912 has 32 divisors (see below), whose sum is σ = 536197680. Its totient is φ = 70089600.

The previous prime is 212373907. The next prime is 212373929. The reversal of 212373912 is 219373212.

It is a self number, because there is not a number n which added to its sum of digits gives 212373912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41383 + ... + 46230.

Almost surely, 2^212373912 is an apocalyptic number.

It is an amenable number.

212373912 is an abundant number, since it is smaller than the sum of its proper divisors (323823768).

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

212373912 is a wasteful number, since it uses less digits than its factorization.

212373912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87723 (or 87719 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 212373912 is about 14573.0543126690. The cubic root of 212373912 is about 596.6235460170.

The spelling of 212373912 in words is "two hundred twelve million, three hundred seventy-three thousand, nine hundred twelve".