12688487522 has 8 divisors (see below), whose sum is σ = 19034068176. Its totient is φ = 6343798132.

The previous prime is 12688487507. The next prime is 12688487563. The reversal of 12688487522 is 22578488621.

It is a happy number.

12688487522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 186008 + ... + 244899.

It is an arithmetic number, because the mean of its divisors is an integer number (2379258522).

Almost surely, 2^12688487522 is an apocalyptic number.

12688487522 is a deficient number, since it is larger than the sum of its proper divisors (6345580654).

12688487522 is a wasteful number, since it uses less digits than its factorization.

12688487522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445632.

The product of its digits is 3440640, while the sum is 53.

The spelling of 12688487522 in words is "twelve billion, six hundred eighty-eight million, four hundred eighty-seven thousand, five hundred twenty-two".