56965321212 has 48 divisors (see below), whose sum is σ = 136570409472. Its totient is φ = 18467265600.

The previous prime is 56965321211. The next prime is 56965321223. The reversal of 56965321212 is 21212356965.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56965321211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1049337 + ... + 1102287.

It is an arithmetic number, because the mean of its divisors is an integer number (2845216864).

Almost surely, 2^56965321212 is an apocalyptic number.

It is an amenable number.

56965321212 is an abundant number, since it is smaller than the sum of its proper divisors (79605088260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56965321212 is a wasteful number, since it uses less digits than its factorization.

56965321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55418 (or 55416 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The spelling of 56965321212 in words is "fifty-six billion, nine hundred sixty-five million, three hundred twenty-one thousand, two hundred twelve".