212254932 has 12 divisors (see below), whose sum is σ = 495261536. Its totient is φ = 70751640.

The previous prime is 212254927. The next prime is 212254949. The reversal of 212254932 is 239452212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212254932.

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, 8843944 + ... + 8843967.

Almost surely, 2^212254932 is an apocalyptic number.

It is an amenable number.

212254932 is an abundant number, since it is smaller than the sum of its proper divisors (283006604).

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

212254932 is a wasteful number, since it uses less digits than its factorization.

212254932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17687918 (or 17687916 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 212254932 is about 14568.9715491520. The cubic root of 212254932 is about 596.5121080829.

The spelling of 212254932 in words is "two hundred twelve million, two hundred fifty-four thousand, nine hundred thirty-two".