12372518999620 has 24 divisors (see below), whose sum is σ = 27980927584344. Its totient is φ = 4568314707456.

The previous prime is 12372518999611. The next prime is 12372518999629. The reversal of 12372518999620 is 2699981527321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12372518999611) and next prime (12372518999629).

It can be written as a sum of positive squares in 4 ways, for example, as 1434470917636 + 10938048081984 = 1197694^2 + 3307272^2 .

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12372518999629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23793305509 + ... + 23793306028.

It is an arithmetic number, because the mean of its divisors is an integer number (1165871982681).

Almost surely, 2^{12372518999620} is an apocalyptic number.

12372518999620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12372518999620 is an abundant number, since it is smaller than the sum of its proper divisors (15608408584724).

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

12372518999620 is a wasteful number, since it uses less digits than its factorization.

12372518999620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47586611559 (or 47586611557 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 12372518999620 in words is "twelve trillion, three hundred seventy-two billion, five hundred eighteen million, nine hundred ninety-nine thousand, six hundred twenty".