212575432 has 32 divisors (see below), whose sum is σ = 416102400. Its totient is φ = 101692800.

The previous prime is 212575427. The next prime is 212575483. The reversal of 212575432 is 234575212.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 212575394 and 212575403.

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, 17257 + ... + 26887.

It is an arithmetic number, because the mean of its divisors is an integer number (13003200).

Almost surely, 2^212575432 is an apocalyptic number.

It is an amenable number.

212575432 is a deficient number, since it is larger than the sum of its proper divisors (203526968).

212575432 is a wasteful number, since it uses less digits than its factorization.

212575432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757 (or 9753 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 212575432 is about 14579.9668038031. The cubic root of 212575432 is about 596.8121968843.

The spelling of 212575432 in words is "two hundred twelve million, five hundred seventy-five thousand, four hundred thirty-two".