12663523144 has 16 divisors (see below), whose sum is σ = 24030180720. Its totient is φ = 6255474960.

The previous prime is 12663523121. The next prime is 12663523189. The reversal of 12663523144 is 44132536621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9535122 + ... + 9536449.

It is an arithmetic number, because the mean of its divisors is an integer number (1501886295).

Almost surely, 2^12663523144 is an apocalyptic number.

It is an amenable number.

12663523144 is a deficient number, since it is larger than the sum of its proper divisors (11366657576).

12663523144 is a wasteful number, since it uses less digits than its factorization.

12663523144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19071660 (or 19071656 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The spelling of 12663523144 in words is "twelve billion, six hundred sixty-three million, five hundred twenty-three thousand, one hundred forty-four".