12015996208 has 20 divisors (see below), whose sum is σ = 23383559160. Its totient is φ = 5981529344.

The previous prime is 12015996203. The next prime is 12015996229. The reversal of 12015996208 is 80269951021.

It is not an unprimeable number, because it can be changed into a prime (12015996203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650553 + ... + 1657816.

It is an arithmetic number, because the mean of its divisors is an integer number (1169177958).

Almost surely, 2^12015996208 is an apocalyptic number.

It is an amenable number.

12015996208 is a deficient number, since it is larger than the sum of its proper divisors (11367562952).

12015996208 is a wasteful number, since it uses less digits than its factorization.

12015996208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308604 (or 3308598 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 12015996208 in words is "twelve billion, fifteen million, nine hundred ninety-six thousand, two hundred eight".