12056656312 has 32 divisors (see below), whose sum is σ = 23224878000. Its totient is φ = 5863463424.

The previous prime is 12056656303. The next prime is 12056656333. The reversal of 12056656312 is 21365665021.

It is a super-2 number, since 2×12056656312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358064 + ... + 1366912.

Almost surely, 2^12056656312 is an apocalyptic number.

It is an amenable number.

12056656312 is a deficient number, since it is larger than the sum of its proper divisors (11168221688).

12056656312 is a wasteful number, since it uses less digits than its factorization.

12056656312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13495 (or 13491 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 12056656312 in words is "twelve billion, fifty-six million, six hundred fifty-six thousand, three hundred twelve".