12426360122655 has 12 divisors (see below), whose sum is σ = 21539024212680. Its totient is φ = 6627392065392.

The previous prime is 12426360122621. The next prime is 12426360122707. The reversal of 12426360122655 is 55622106362421.

12426360122655 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 636 + 0 + 1 + 2 + 2 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 12426360122655 - 2¹⁵ = 12426360089887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 276141336059 = 12426360122655 / (1 + 2 + 4 + 2 + 6 + 3 + 6 + 0 + 1 + 2 + 2 + 6 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 12426360122655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138070667985 + ... + 138070668074.

It is an arithmetic number, because the mean of its divisors is an integer number (1794918684390).

Almost surely, 2^{12426360122655} is an apocalyptic number.

12426360122655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12426360122655 is a deficient number, since it is larger than the sum of its proper divisors (9112664090025).

12426360122655 is a wasteful number, since it uses less digits than its factorization.

12426360122655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276141336070 (or 276141336067 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 12426360122655 in words is "twelve trillion, four hundred twenty-six billion, three hundred sixty million, one hundred twenty-two thousand, six hundred fifty-five".