12187119108 has 12 divisors (see below), whose sum is σ = 28436611280. Its totient is φ = 4062373032.

The previous prime is 12187119083. The next prime is 12187119143. The reversal of 12187119108 is 80191178121.

It is a tau number, because it is divible by the number of its divisors (12).

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, 507796618 + ... + 507796641.

Almost surely, 2^12187119108 is an apocalyptic number.

It is an amenable number.

12187119108 is an abundant number, since it is smaller than the sum of its proper divisors (16249492172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12187119108 is a wasteful number, since it uses less digits than its factorization.

12187119108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015593266 (or 1015593264 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 39.

The spelling of 12187119108 in words is "twelve billion, one hundred eighty-seven million, one hundred nineteen thousand, one hundred eight".