12397130880 has 128 divisors (see below), whose sum is σ = 39550230720. Its totient is φ = 3303026688.

The previous prime is 12397130843. The next prime is 12397130891. The reversal of 12397130880 is 8803179321.

It is a tau number, because it is divible by the number of its divisors (128).

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, 3094959 + ... + 3098961.

Almost surely, 2^12397130880 is an apocalyptic number.

12397130880 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 12397130880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19775115360).

12397130880 is an abundant number, since it is smaller than the sum of its proper divisors (27153099840).

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

12397130880 is a wasteful number, since it uses less digits than its factorization.

12397130880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 12397130880 in words is "twelve billion, three hundred ninety-seven million, one hundred thirty thousand, eight hundred eighty".