12045440656502 has 32 divisors (see below), whose sum is σ = 20432970316800. Its totient is φ = 5275363828000.

The previous prime is 12045440656489. The next prime is 12045440656537. The reversal of 12045440656502 is 20565604454021.

It is a super-2 number, since 2×12045440656502² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19402124 + ... + 20013327.

It is an arithmetic number, because the mean of its divisors is an integer number (638530322400).

Almost surely, 2^{12045440656502} is an apocalyptic number.

12045440656502 is a deficient number, since it is larger than the sum of its proper divisors (8387529660298).

12045440656502 is a wasteful number, since it uses less digits than its factorization.

12045440656502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39415972.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 12045440656502 in words is "twelve trillion, forty-five billion, four hundred forty million, six hundred fifty-six thousand, five hundred two".