12039517768 has 16 divisors (see below), whose sum is σ = 22575471660. Its totient is φ = 6019392000.

The previous prime is 12039517747. The next prime is 12039517781. The reversal of 12039517768 is 86771593021.

It is a happy number.

12039517768 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 2 ways, for example, as 11789182084 + 250335684 = 108578^2 + 15822^2 .

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 3 ways as a sum of consecutive naturals, for example, 136048 + ... + 206368.

Almost surely, 2^12039517768 is an apocalyptic number.

It is an amenable number.

12039517768 is a deficient number, since it is larger than the sum of its proper divisors (10535953892).

12039517768 is a wasteful number, since it uses less digits than its factorization.

12039517768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91728 (or 91724 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 12039517768 in words is "twelve billion, thirty-nine million, five hundred seventeen thousand, seven hundred sixty-eight".