12562647126440 has 16 divisors (see below), whose sum is σ = 28265956034580. Its totient is φ = 5025058850560.

The previous prime is 12562647126433. The next prime is 12562647126451. The reversal of 12562647126440 is 4462174626521.

12562647126440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12449902947364 + 112744179076 = 3528442^2 + 335774^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157033089041 + ... + 157033089120.

Almost surely, 2^{12562647126440} is an apocalyptic number.

12562647126440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12562647126440 is an abundant number, since it is smaller than the sum of its proper divisors (15703308908140).

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

12562647126440 is a wasteful number, since it uses less digits than its factorization.

12562647126440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314066178172 (or 314066178168 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 12562647126440 in words is "twelve trillion, five hundred sixty-two billion, six hundred forty-seven million, one hundred twenty-six thousand, four hundred forty".