12513765140 has 24 divisors (see below), whose sum is σ = 26281604832. Its totient is φ = 5004992160.

The previous prime is 12513765139. The next prime is 12513765163. The reversal of 12513765140 is 4156731521.

It is a happy number.

12513765140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12513765140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213287 + ... + 265553.

It is an arithmetic number, because the mean of its divisors is an integer number (1095066868).

Almost surely, 2^12513765140 is an apocalyptic number.

12513765140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12513765140 is an abundant number, since it is smaller than the sum of its proper divisors (13767839692).

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

12513765140 is a wasteful number, since it uses less digits than its factorization.

12513765140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64247 (or 64245 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 12513765140 in words is "twelve billion, five hundred thirteen million, seven hundred sixty-five thousand, one hundred forty".