12256655412111 has 32 divisors (see below), whose sum is σ = 18081735101952. Its totient is φ = 7322604456960.

The previous prime is 12256655412103. The next prime is 12256655412137. The reversal of 12256655412111 is 11121455665221.

It is not a de Polignac number, because 12256655412111 - 2³ = 12256655412103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256655411111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3153846 + ... + 5870268.

It is an arithmetic number, because the mean of its divisors is an integer number (565054221936).

Almost surely, 2^{12256655412111} is an apocalyptic number.

12256655412111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12256655412111 is a deficient number, since it is larger than the sum of its proper divisors (5825079689841).

12256655412111 is a wasteful number, since it uses less digits than its factorization.

12256655412111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718383.

The product of its digits is 144000, while the sum is 42.

The spelling of 12256655412111 in words is "twelve trillion, two hundred fifty-six billion, six hundred fifty-five million, four hundred twelve thousand, one hundred eleven".