12211687108 has 12 divisors (see below), whose sum is σ = 21392199360. Its totient is φ = 6099630152.

The previous prime is 12211687079. The next prime is 12211687153. The reversal of 12211687108 is 80178611221.

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, 1548928 + ... + 1556791.

It is an arithmetic number, because the mean of its divisors is an integer number (1782683280).

Almost surely, 2^12211687108 is an apocalyptic number.

It is an amenable number.

12211687108 is a deficient number, since it is larger than the sum of its proper divisors (9180512252).

12211687108 is a wasteful number, since it uses less digits than its factorization.

12211687108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106706 (or 3106704 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 37.

The spelling of 12211687108 in words is "twelve billion, two hundred eleven million, six hundred eighty-seven thousand, one hundred eight".