12257112136026 has 64 divisors (see below), whose sum is σ = 25865758080000. Its totient is φ = 3861476064000.

The previous prime is 12257112136021. The next prime is 12257112136033. The reversal of 12257112136026 is 62063121175221.

It is not an unprimeable number, because it can be changed into a prime (12257112136021) 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, 158730226 + ... + 158807426.

It is an arithmetic number, because the mean of its divisors is an integer number (404152470000).

Almost surely, 2^{12257112136026} is an apocalyptic number.

12257112136026 is an abundant number, since it is smaller than the sum of its proper divisors (13608645943974).

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

12257112136026 is a wasteful number, since it uses less digits than its factorization.

12257112136026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80515.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 12257112136026 in words is "twelve trillion, two hundred fifty-seven billion, one hundred twelve million, one hundred thirty-six thousand, twenty-six".