12365037021 has 8 divisors (see below), whose sum is σ = 16718923584. Its totient is φ = 8127254240.

The previous prime is 12365037017. The next prime is 12365037059. The reversal of 12365037021 is 12073056321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12365037021 - 2² = 12365037017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12365037021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12365037221) 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, 29025696 + ... + 29026121.

It is an arithmetic number, because the mean of its divisors is an integer number (2089865448).

Almost surely, 2^12365037021 is an apocalyptic number.

It is an amenable number.

12365037021 is a deficient number, since it is larger than the sum of its proper divisors (4353886563).

12365037021 is an equidigital number, since it uses as much as digits as its factorization.

12365037021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58051891.

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 12365037021 in words is "twelve billion, three hundred sixty-five million, thirty-seven thousand, twenty-one".