12582439444816 has 80 divisors (see below), whose sum is σ = 24560276666688. Its totient is φ = 6244508160000.

The previous prime is 12582439444759. The next prime is 12582439444819. The reversal of 12582439444816 is 61844493428521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12582439444819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058305376 + ... + 2058311488.

Almost surely, 2^{12582439444816} is an apocalyptic number.

12582439444816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12582439444816 is a deficient number, since it is larger than the sum of its proper divisors (11977837221872).

12582439444816 is a wasteful number, since it uses less digits than its factorization.

12582439444816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060 (or 8054 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 61.

The spelling of 12582439444816 in words is "twelve trillion, five hundred eighty-two billion, four hundred thirty-nine million, four hundred forty-four thousand, eight hundred sixteen".