12856182806418 has 64 divisors (see below), whose sum is σ = 29987400960000. Its totient is φ = 3672933558672.

The previous prime is 12856182806399. The next prime is 12856182806443. The reversal of 12856182806418 is 81460828165821.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29664973 + ... + 30095231.

It is an arithmetic number, because the mean of its divisors is an integer number (468553140000).

Almost surely, 2^{12856182806418} is an apocalyptic number.

12856182806418 is an abundant number, since it is smaller than the sum of its proper divisors (17131218153582).

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

12856182806418 is a wasteful number, since it uses less digits than its factorization.

12856182806418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444804 (or 444790 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 60.

The spelling of 12856182806418 in words is "twelve trillion, eight hundred fifty-six billion, one hundred eighty-two million, eight hundred six thousand, four hundred eighteen".