12373944560 has 80 divisors (see below), whose sum is σ = 30393962400. Its totient is φ = 4671986688.

The previous prime is 12373944559. The next prime is 12373944587. The reversal of 12373944560 is 6544937321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12373944560² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 406346 + ... + 435734.

It is an arithmetic number, because the mean of its divisors is an integer number (379924530).

Almost surely, 2^12373944560 is an apocalyptic number.

12373944560 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 12373944560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15196981200).

12373944560 is an abundant number, since it is smaller than the sum of its proper divisors (18020017840).

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

12373944560 is a wasteful number, since it uses less digits than its factorization.

12373944560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29698 (or 29692 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 12373944560 in words is "twelve billion, three hundred seventy-three million, nine hundred forty-four thousand, five hundred sixty".