12375659520 has 1056 divisors, whose sum is σ = 53647776000. Its totient is φ = 2731180032.

The previous prime is 12375659509. The next prime is 12375659521. The reversal of 12375659520 is 2595657321.

12375659520 is a `hidden beast` number, since 1 + 2 + 3 + 7 + 56 + 595 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12375659521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 426746866 + ... + 426746894.

Almost surely, 2^12375659520 is an apocalyptic number.

12375659520 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 12375659520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26823888000).

12375659520 is an abundant number, since it is smaller than the sum of its proper divisors (41272116480).

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

12375659520 is an frugal number, since it uses more digits than its factorization.

12375659520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 12375659520 in words is "twelve billion, three hundred seventy-five million, six hundred fifty-nine thousand, five hundred twenty".