12381573760 has 32 divisors (see below), whose sum is σ = 29599701300. Its totient is φ = 4952629248.

The previous prime is 12381573731. The next prime is 12381573761. The reversal of 12381573760 is 6737518321.

It can be written as a sum of positive squares in 2 ways, for example, as 10844306496 + 1537267264 = 104136^2 + 39208^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (12381573761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9672465 + ... + 9673744.

Almost surely, 2^12381573760 is an apocalyptic number.

12381573760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12381573760 is an abundant number, since it is smaller than the sum of its proper divisors (17218127540).

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

12381573760 is an equidigital number, since it uses as much as digits as its factorization.

12381573760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19346228 (or 19346216 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 12381573760 in words is "twelve billion, three hundred eighty-one million, five hundred seventy-three thousand, seven hundred sixty".