12513187568820 has 48 divisors (see below), whose sum is σ = 35516883084480. Its totient is φ = 3291139742976.

The previous prime is 12513187568789. The next prime is 12513187568851. The reversal of 12513187568820 is 2886578131521.

It is an interprime number because it is at equal distance from previous prime (12513187568789) and next prime (12513187568851).

It is a super-3 number, since 3×12513187568820³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

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, 1428441690 + ... + 1428450449.

It is an arithmetic number, because the mean of its divisors is an integer number (739935064260).

Almost surely, 2^{12513187568820} is an apocalyptic number.

12513187568820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12513187568820 is an abundant number, since it is smaller than the sum of its proper divisors (23003695515660).

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

12513187568820 is a wasteful number, since it uses less digits than its factorization.

12513187568820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856892224 (or 2856892222 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 57.

The spelling of 12513187568820 in words is "twelve trillion, five hundred thirteen billion, one hundred eighty-seven million, five hundred sixty-eight thousand, eight hundred twenty".