12555310135122 has 32 divisors (see below), whose sum is σ = 27909992880000. Its totient is φ = 4183707824784.

The previous prime is 12555310135087. The next prime is 12555310135141. The reversal of 12555310135122 is 22153101355521.

12555310135122 is a `hidden beast` number, since 1 + 2 + 55 + 531 + 0 + 1 + 3 + 51 + 22 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38601933 + ... + 38925824.

It is an arithmetic number, because the mean of its divisors is an integer number (872187277500).

Almost surely, 2^{12555310135122} is an apocalyptic number.

12555310135122 is an abundant number, since it is smaller than the sum of its proper divisors (15354682744878).

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

12555310135122 is a wasteful number, since it uses less digits than its factorization.

12555310135122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77530767 (or 77530761 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 12555310135122 in words is "twelve trillion, five hundred fifty-five billion, three hundred ten million, one hundred thirty-five thousand, one hundred twenty-two".