64957612012 has 24 divisors (see below), whose sum is σ = 114710961456. Its totient is φ = 32183198208.

The previous prime is 64957612007. The next prime is 64957612061. The reversal of 64957612012 is 21021675946.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64957612012.

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, 2010288 + ... + 2042344.

It is an arithmetic number, because the mean of its divisors is an integer number (4779623394).

Almost surely, 2^64957612012 is an apocalyptic number.

It is an amenable number.

64957612012 is a deficient number, since it is larger than the sum of its proper divisors (49753349444).

64957612012 is a wasteful number, since it uses less digits than its factorization.

64957612012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36657 (or 36655 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 64957612012 in words is "sixty-four billion, nine hundred fifty-seven million, six hundred twelve thousand, twelve".