13124253412520 has 64 divisors (see below), whose sum is σ = 30218929614720. Its totient is φ = 5127169791744.

The previous prime is 13124253412511. The next prime is 13124253412651. The reversal of 13124253412520 is 2521435242131.

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, 19827629 + ... + 20478851.

It is an arithmetic number, because the mean of its divisors is an integer number (472170775230).

Almost surely, 2^{13124253412520} is an apocalyptic number.

13124253412520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124253412520 is an abundant number, since it is smaller than the sum of its proper divisors (17094676202200).

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

13124253412520 is a wasteful number, since it uses less digits than its factorization.

13124253412520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662994 (or 662990 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 13124253412520 its reverse (2521435242131), we get a palindrome (15645688654651).

The spelling of 13124253412520 in words is "thirteen trillion, one hundred twenty-four billion, two hundred fifty-three million, four hundred twelve thousand, five hundred twenty".