12222102212 has 24 divisors (see below), whose sum is σ = 21758253216. Its totient is φ = 6005881728.

The previous prime is 12222102163. The next prime is 12222102239. The reversal of 12222102212 is 21220122221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63383 + ... + 168705.

It is an arithmetic number, because the mean of its divisors is an integer number (906593884).

Almost surely, 2^12222102212 is an apocalyptic number.

It is an amenable number.

12222102212 is a deficient number, since it is larger than the sum of its proper divisors (9536151004).

12222102212 is a wasteful number, since it uses less digits than its factorization.

12222102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105827 (or 105825 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12222102212 its reverse (21220122221), we get a palindrome (33442224433).

The spelling of 12222102212 in words is "twelve billion, two hundred twenty-two million, one hundred two thousand, two hundred twelve".