12371021999280 has 360 divisors, whose sum is σ = 48407963312592. Its totient is φ = 2823044410368.

The previous prime is 12371021999179. The next prime is 12371021999311. The reversal of 12371021999280 is 8299912017321.

12371021999280 is a `hidden beast` number, since 1 + 2 + 371 + 0 + 2 + 199 + 9 + 2 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 21340627 + ... + 21912653.

Almost surely, 2^{12371021999280} is an apocalyptic number.

12371021999280 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 12371021999280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24203981656296).

12371021999280 is an abundant number, since it is smaller than the sum of its proper divisors (36036941313312).

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

12371021999280 is a wasteful number, since it uses less digits than its factorization.

12371021999280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572673 (or 572657 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 12371021999280 in words is "twelve trillion, three hundred seventy-one billion, twenty-one million, nine hundred ninety-nine thousand, two hundred eighty".