12122211186 has 12 divisors (see below), whose sum is σ = 26264790942. Its totient is φ = 4040737056.

The previous prime is 12122211163. The next prime is 12122211187. The reversal of 12122211186 is 68111222121.

It can be written as a sum of positive squares in only one way, i.e., 12092301225 + 29909961 = 109965^2 + 5469^2 .

It is not an unprimeable number, because it can be changed into a prime (12122211187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336728071 + ... + 336728106.

Almost surely, 2^12122211186 is an apocalyptic number.

12122211186 is an abundant number, since it is smaller than the sum of its proper divisors (14142579756).

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

12122211186 is a wasteful number, since it uses less digits than its factorization.

12122211186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673456185 (or 673456182 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The spelling of 12122211186 in words is "twelve billion, one hundred twenty-two million, two hundred eleven thousand, one hundred eighty-six".