12056656165552 has 20 divisors (see below), whose sum is σ = 23360163864736. Its totient is φ = 6028226781120.

The previous prime is 12056656165529. The next prime is 12056656165583. The reversal of 12056656165552 is 25556165665021.

It is a junction number, because it is equal to n+sod(n) for n = 12056656165493 and 12056656165502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5344803 + ... + 7258114.

Almost surely, 2^{12056656165552} is an apocalyptic number.

It is an amenable number.

12056656165552 is a deficient number, since it is larger than the sum of its proper divisors (11303507699184).

12056656165552 is a wasteful number, since it uses less digits than its factorization.

12056656165552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662716 (or 12662710 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 55.

The spelling of 12056656165552 in words is "twelve trillion, fifty-six billion, six hundred fifty-six million, one hundred sixty-five thousand, five hundred fifty-two".