12584304816 has 40 divisors (see below), whose sum is σ = 32519626944. Its totient is φ = 4193455680.

The previous prime is 12584304773. The next prime is 12584304823. The reversal of 12584304816 is 61840348521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120535 + ... + 199241.

Almost surely, 2^12584304816 is an apocalyptic number.

12584304816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12584304816 is an abundant number, since it is smaller than the sum of its proper divisors (19935322128).

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

12584304816 is a wasteful number, since it uses less digits than its factorization.

12584304816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82049 (or 82043 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 12584304816 in words is "twelve billion, five hundred eighty-four million, three hundred four thousand, eight hundred sixteen".