13136231345012 has 24 divisors (see below), whose sum is σ = 23433761473416. Its totient is φ = 6440993814528.

The previous prime is 13136231345009. The next prime is 13136231345023. The reversal of 13136231345012 is 21054313263131.

It can be written as a sum of positive squares in 4 ways, for example, as 6426701588836 + 6709529756176 = 2535094^2 + 2590276^2 .

It is a congruent number.

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, 14932673 + ... + 15787880.

It is an arithmetic number, because the mean of its divisors is an integer number (976406728059).

Almost surely, 2^{13136231345012} is an apocalyptic number.

It is an amenable number.

13136231345012 is a deficient number, since it is larger than the sum of its proper divisors (10297530128404).

13136231345012 is a wasteful number, since it uses less digits than its factorization.

13136231345012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30722627 (or 30722625 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 13136231345012 in words is "thirteen trillion, one hundred thirty-six billion, two hundred thirty-one million, three hundred forty-five thousand, twelve".