12256054256453 has 4 divisors (see below), whose sum is σ = 14006919150240. Its totient is φ = 10505189362668.

The previous prime is 12256054256449. The next prime is 12256054256471. The reversal of 12256054256453 is 35465245065221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12256054256453 - 2² = 12256054256449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256054256483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875432446883 + ... + 875432446896.

It is an arithmetic number, because the mean of its divisors is an integer number (3501729787560).

Almost surely, 2^{12256054256453} is an apocalyptic number.

It is an amenable number.

12256054256453 is a deficient number, since it is larger than the sum of its proper divisors (1750864893787).

12256054256453 is an equidigital number, since it uses as much as digits as its factorization.

12256054256453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750864893786.

The product of its (nonzero) digits is 8640000, while the sum is 50.

The spelling of 12256054256453 in words is "twelve trillion, two hundred fifty-six billion, fifty-four million, two hundred fifty-six thousand, four hundred fifty-three".