12513890000 has 100 divisors (see below), whose sum is σ = 30470996160. Its totient is φ = 4976880000.

The previous prime is 12513889937. The next prime is 12513890033. The reversal of 12513890000 is 9831521.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1786505 + ... + 1793495.

Almost surely, 2^12513890000 is an apocalyptic number.

12513890000 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 12513890000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15235498080).

12513890000 is an abundant number, since it is smaller than the sum of its proper divisors (17957106160).

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

12513890000 is an equidigital number, since it uses as much as digits as its factorization.

12513890000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7198 (or 7177 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 12513890000 in words is "twelve billion, five hundred thirteen million, eight hundred ninety thousand".