212155376 has 20 divisors (see below), whose sum is σ = 435231072. Its totient is φ = 99837696.

The previous prime is 212155357. The next prime is 212155429. The reversal of 212155376 is 673551212.

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, 389720 + ... + 390263.

Almost surely, 2^212155376 is an apocalyptic number.

It is an amenable number.

212155376 is an abundant number, since it is smaller than the sum of its proper divisors (223075696).

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

212155376 is a wasteful number, since it uses less digits than its factorization.

212155376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780008 (or 780002 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 212155376 is about 14565.5544350361. The cubic root of 212155376 is about 596.4188308680.

The spelling of 212155376 in words is "two hundred twelve million, one hundred fifty-five thousand, three hundred seventy-six".