212055432 has 32 divisors (see below), whose sum is σ = 530623680. Its totient is φ = 70620480.

The previous prime is 212055421. The next prime is 212055449. The reversal of 212055432 is 234550212.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 27882 + ... + 34662.

It is an arithmetic number, because the mean of its divisors is an integer number (16581990).

Almost surely, 2^212055432 is an apocalyptic number.

It is an amenable number.

212055432 is an abundant number, since it is smaller than the sum of its proper divisors (318568248).

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

212055432 is a wasteful number, since it uses less digits than its factorization.

212055432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8093 (or 8089 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 212055432 is about 14562.1231968419. The cubic root of 212055432 is about 596.3251607672.

The spelling of 212055432 in words is "two hundred twelve million, fifty-five thousand, four hundred thirty-two".