12255956927 has 4 divisors (see below), whose sum is σ = 12516722016. Its totient is φ = 11995191840.

The previous prime is 12255956917. The next prime is 12255956929. The reversal of 12255956927 is 72965955221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12255956927 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 (12255956929) 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, 130382474 + ... + 130382567.

It is an arithmetic number, because the mean of its divisors is an integer number (3129180504).

Almost surely, 2^12255956927 is an apocalyptic number.

12255956927 is a deficient number, since it is larger than the sum of its proper divisors (260765089).

12255956927 is an equidigital number, since it uses as much as digits as its factorization.

12255956927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260765088.

The product of its digits is 3402000, while the sum is 53.

The spelling of 12255956927 in words is "twelve billion, two hundred fifty-five million, nine hundred fifty-six thousand, nine hundred twenty-seven".