12311102212 has 12 divisors (see below), whose sum is σ = 22678346320. Its totient is φ = 5831574696.

The previous prime is 12311102173. The next prime is 12311102227. The reversal of 12311102212 is 21220111321.

It is a super-2 number, since 2×12311102212² (a number of 21 digits) contains 22 as substring.

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, 80994018 + ... + 80994169.

Almost surely, 2^12311102212 is an apocalyptic number.

It is an amenable number.

12311102212 is a deficient number, since it is larger than the sum of its proper divisors (10367244108).

12311102212 is a wasteful number, since it uses less digits than its factorization.

12311102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161988210 (or 161988208 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12311102212 its reverse (21220111321), we get a palindrome (33531213533).

The spelling of 12311102212 in words is "twelve billion, three hundred eleven million, one hundred two thousand, two hundred twelve".