212873072 has 20 divisors (see below), whose sum is σ = 412670016. Its totient is φ = 106377600.

The previous prime is 212873071. The next prime is 212873081. The reversal of 212873072 is 270378212.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212873071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48572 + ... + 52772.

Almost surely, 2^212873072 is an apocalyptic number.

It is an amenable number.

212873072 is a deficient number, since it is larger than the sum of its proper divisors (199796944).

212873072 is a wasteful number, since it uses less digits than its factorization.

212873072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376 (or 7370 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 212873072 is about 14590.1703896836. The cubic root of 212873072 is about 597.0906115300.

The spelling of 212873072 in words is "two hundred twelve million, eight hundred seventy-three thousand, seventy-two".