12426397775008 has 72 divisors (see below), whose sum is σ = 28719759014100. Its totient is φ = 5276740267008.

The previous prime is 12426397774979. The next prime is 12426397775069. The reversal of 12426397775008 is 80057779362421.

It can be written as a sum of positive squares in 2 ways, for example, as 12105194479504 + 321203295504 = 3479252^2 + 566748^2 .

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, 36182293 + ... + 36524116.

It is a 1-persistent number, because it is pandigital, but 2⋅12426397775008 = 24852795550016 is not.

Almost surely, 2^{12426397775008} is an apocalyptic number.

It is an amenable number.

12426397775008 is an abundant number, since it is smaller than the sum of its proper divisors (16293361239092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12426397775008 is a wasteful number, since it uses less digits than its factorization.

12426397775008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72706542 (or 72706527 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 12426397775008 in words is "twelve trillion, four hundred twenty-six billion, three hundred ninety-seven million, seven hundred seventy-five thousand, eight".