12456237955 has 16 divisors (see below), whose sum is σ = 17138499840. Its totient is φ = 8513590752.

The previous prime is 12456237901. The next prime is 12456237961. The reversal of 12456237955 is 55973265421.

It is a cyclic number.

It is not a de Polignac number, because 12456237955 - 2¹³ = 12456229763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12456237899 and 12456237908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568885 + ... + 590374.

It is an arithmetic number, because the mean of its divisors is an integer number (1071156240).

Almost surely, 2^12456237955 is an apocalyptic number.

12456237955 is a deficient number, since it is larger than the sum of its proper divisors (4682261885).

12456237955 is a wasteful number, since it uses less digits than its factorization.

12456237955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159578.

The product of its digits is 2268000, while the sum is 49.

The spelling of 12456237955 in words is "twelve billion, four hundred fifty-six million, two hundred thirty-seven thousand, nine hundred fifty-five".