12645527882 has 16 divisors (see below), whose sum is σ = 20437673760. Its totient is φ = 5833459632.

The previous prime is 12645527863. The next prime is 12645527893. The reversal of 12645527882 is 28872554621.

It is a self number, because there is not a number n which added to its sum of digits gives 12645527882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69332 + ... + 173487.

It is an arithmetic number, because the mean of its divisors is an integer number (1277354610).

Almost surely, 2^12645527882 is an apocalyptic number.

12645527882 is a deficient number, since it is larger than the sum of its proper divisors (7792145878).

12645527882 is a wasteful number, since it uses less digits than its factorization.

12645527882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244837.

The product of its digits is 2150400, while the sum is 50.

The spelling of 12645527882 in words is "twelve billion, six hundred forty-five million, five hundred twenty-seven thousand, eight hundred eighty-two".