13021295120 has 40 divisors (see below), whose sum is σ = 30433052160. Its totient is φ = 5181242240.

The previous prime is 13021295101. The next prime is 13021295167. The reversal of 13021295120 is 2159212031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 13021295120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410810 + ... + 441369.

It is an arithmetic number, because the mean of its divisors is an integer number (760826304).

Almost surely, 2^13021295120 is an apocalyptic number.

13021295120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021295120 is an abundant number, since it is smaller than the sum of its proper divisors (17411757040).

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

13021295120 is a wasteful number, since it uses less digits than its factorization.

13021295120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852383 (or 852377 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 13021295120 in words is "thirteen billion, twenty-one million, two hundred ninety-five thousand, one hundred twenty".