13121302312192 has 36 divisors (see below), whose sum is σ = 26830162962036. Its totient is φ = 6400635269120.

The previous prime is 13121302312189. The next prime is 13121302312193. The reversal of 13121302312192 is 29121320312131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7259015393536 + 5862286918656 = 2694256^2 + 2421216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121302312193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625051543 + ... + 625072534.

It is an arithmetic number, because the mean of its divisors is an integer number (745282304501).

Almost surely, 2^{13121302312192} is an apocalyptic number.

It is an amenable number.

13121302312192 is an abundant number, since it is smaller than the sum of its proper divisors (13708860649844).

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

13121302312192 is an equidigital number, since it uses as much as digits as its factorization.

13121302312192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250124134 (or 1250124120 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 13121302312192 in words is "thirteen trillion, one hundred twenty-one billion, three hundred two million, three hundred twelve thousand, one hundred ninety-two".