212651156 has 12 divisors (see below), whose sum is σ = 372251040. Its totient is φ = 106293720.

The previous prime is 212651149. The next prime is 212651167. The reversal of 212651156 is 651156212.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 13451 + ... + 24621.

It is an arithmetic number, because the mean of its divisors is an integer number (31020920).

Almost surely, 2^212651156 is an apocalyptic number.

It is an amenable number.

212651156 is a deficient number, since it is larger than the sum of its proper divisors (159599884).

212651156 is a wasteful number, since it uses less digits than its factorization.

212651156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15934 (or 15932 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 212651156 is about 14582.5634234863. The cubic root of 212651156 is about 596.8830543069.

The spelling of 212651156 in words is "two hundred twelve million, six hundred fifty-one thousand, one hundred fifty-six".