212512232 has 32 divisors (see below), whose sum is σ = 413186400. Its totient is φ = 102346944.

The previous prime is 212512211. The next prime is 212512247. The reversal of 212512232 is 232215212.

It is a super-2 number, since 2×212512232² = 90322897499243648, which contains 22 as substring.

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, 129803 + ... + 131429.

It is an arithmetic number, because the mean of its divisors is an integer number (12912075).

Almost surely, 2^212512232 is an apocalyptic number.

It is an amenable number.

212512232 is a deficient number, since it is larger than the sum of its proper divisors (200674168).

212512232 is a wasteful number, since it uses less digits than its factorization.

212512232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225 (or 2221 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 212512232 is about 14577.7992852145. The cubic root of 212512232 is about 596.7530456941.

Adding to 212512232 its reverse (232215212), we get a palindrome (444727444).

The spelling of 212512232 in words is "two hundred twelve million, five hundred twelve thousand, two hundred thirty-two".