13122516853128 has 32 divisors (see below), whose sum is σ = 32843699588160. Its totient is φ = 4369184623680.

The previous prime is 13122516853099. The next prime is 13122516853133. The reversal of 13122516853128 is 82135861522131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311707308 + ... + 311749403.

It is an arithmetic number, because the mean of its divisors is an integer number (1026365612130).

Almost surely, 2^{13122516853128} is an apocalyptic number.

It is an amenable number.

13122516853128 is an abundant number, since it is smaller than the sum of its proper divisors (19721182735032).

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

13122516853128 is a wasteful number, since it uses less digits than its factorization.

13122516853128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623457597 (or 623457593 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The spelling of 13122516853128 in words is "thirteen trillion, one hundred twenty-two billion, five hundred sixteen million, eight hundred fifty-three thousand, one hundred twenty-eight".