12080368645 has 16 divisors (see below), whose sum is σ = 14595577920. Its totient is φ = 9598431744.

The previous prime is 12080368607. The next prime is 12080368681. The reversal of 12080368645 is 54686308021.

It is a cyclic number.

It is not a de Polignac number, because 12080368645 - 2¹⁵ = 12080335877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420501 + ... + 448309.

It is an arithmetic number, because the mean of its divisors is an integer number (912223620).

Almost surely, 2^12080368645 is an apocalyptic number.

It is an amenable number.

12080368645 is a deficient number, since it is larger than the sum of its proper divisors (2515209275).

12080368645 is a wasteful number, since it uses less digits than its factorization.

12080368645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28404.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 12080368645 in words is "twelve billion, eighty million, three hundred sixty-eight thousand, six hundred forty-five".