12426707928961 has 32 divisors (see below), whose sum is σ = 13459626752000. Its totient is φ = 11432895429312.

The previous prime is 12426707928959. The next prime is 12426707929057. The reversal of 12426707928961 is 16982970762421.

It is a cyclic number.

It is not a de Polignac number, because 12426707928961 - 2¹ = 12426707928959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12426707928893 and 12426707928902.

It is not an unprimeable number, because it can be changed into a prime (12426707928911) 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, 1188130150 + ... + 1188140608.

It is an arithmetic number, because the mean of its divisors is an integer number (420613336000).

Almost surely, 2^{12426707928961} is an apocalyptic number.

It is an amenable number.

12426707928961 is a deficient number, since it is larger than the sum of its proper divisors (1032918823039).

12426707928961 is a wasteful number, since it uses less digits than its factorization.

12426707928961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13541.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 12426707928961 in words is "twelve trillion, four hundred twenty-six billion, seven hundred seven million, nine hundred twenty-eight thousand, nine hundred sixty-one".