712545212656 has 20 divisors (see below), whose sum is σ = 1380672760752. Its totient is φ = 356242564736.

The previous prime is 712545212629. The next prime is 712545212669. The reversal of 712545212656 is 656212545217.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681300 + ... + 2062003.

Almost surely, 2^712545212656 is an apocalyptic number.

It is an amenable number.

712545212656 is a deficient number, since it is larger than the sum of its proper divisors (668127548096).

712545212656 is a wasteful number, since it uses less digits than its factorization.

712545212656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755208 (or 3755202 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The spelling of 712545212656 in words is "seven hundred twelve billion, five hundred forty-five million, two hundred twelve thousand, six hundred fifty-six".