212824972 has 24 divisors (see below), whose sum is σ = 395841600. Its totient is φ = 99774720.

The previous prime is 212824919. The next prime is 212825009. The reversal of 212824972 is 279428212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12654 + ... + 24202.

It is an arithmetic number, because the mean of its divisors is an integer number (16493400).

Almost surely, 2^212824972 is an apocalyptic number.

It is an amenable number.

212824972 is a deficient number, since it is larger than the sum of its proper divisors (183016628).

212824972 is a wasteful number, since it uses less digits than its factorization.

212824972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11841 (or 11839 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 212824972 is about 14588.5219265010. The cubic root of 212824972 is about 597.0456360248.

The spelling of 212824972 in words is "two hundred twelve million, eight hundred twenty-four thousand, nine hundred seventy-two".