12563818882 has 12 divisors (see below), whose sum is σ = 19042045650. Its totient is φ = 6217138176.

The previous prime is 12563818853. The next prime is 12563818909. The reversal of 12563818882 is 28881836521.

12563818882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 9882546921 + 2681271961 = 99411^2 + 51781^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315007 + ... + 352642.

Almost surely, 2^12563818882 is an apocalyptic number.

12563818882 is a deficient number, since it is larger than the sum of its proper divisors (6478226768).

12563818882 is an frugal number, since it uses more digits than its factorization.

12563818882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667845 (or 667748 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 52.

The spelling of 12563818882 in words is "twelve billion, five hundred sixty-three million, eight hundred eighteen thousand, eight hundred eighty-two".