12513531004240 has 160 divisors (see below), whose sum is σ = 35714544480000. Its totient is φ = 4064545239552.

The previous prime is 12513531004199. The next prime is 12513531004307. The reversal of 12513531004240 is 4240013531521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11479495 + ... + 12522214.

It is an arithmetic number, because the mean of its divisors is an integer number (223215903000).

Almost surely, 2^{12513531004240} is an apocalyptic number.

12513531004240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12513531004240 is an abundant number, since it is smaller than the sum of its proper divisors (23201013475760).

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

12513531004240 is a wasteful number, since it uses less digits than its factorization.

12513531004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24001762 (or 24001742 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 12513531004240 its reverse (4240013531521), we get a palindrome (16753544535761).

The spelling of 12513531004240 in words is "twelve trillion, five hundred thirteen billion, five hundred thirty-one million, four thousand, two hundred forty".