12718513900 has 72 divisors (see below), whose sum is σ = 28087282160. Its totient is φ = 4998205440.

The previous prime is 12718513867. The next prime is 12718513901. The reversal of 12718513900 is 931581721.

It is a self number, because there is not a number n which added to its sum of digits gives 12718513900.

It is not an unprimeable number, because it can be changed into a prime (12718513901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343584 + ... + 1353016.

Almost surely, 2^12718513900 is an apocalyptic number.

12718513900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12718513900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14043641080).

12718513900 is an abundant number, since it is smaller than the sum of its proper divisors (15368768260).

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

12718513900 is a wasteful number, since it uses less digits than its factorization.

12718513900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9683 (or 9676 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 12718513900 in words is "twelve billion, seven hundred eighteen million, five hundred thirteen thousand, nine hundred".