12222101222 has 16 divisors (see below), whose sum is σ = 18648841680. Its totient is φ = 6005875872.

The previous prime is 12222101219. The next prime is 12222101263. The reversal of 12222101222 is 22210122221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518648 + ... + 541700.

It is an arithmetic number, because the mean of its divisors is an integer number (1165552605).

Almost surely, 2^12222101222 is an apocalyptic number.

12222101222 is a deficient number, since it is larger than the sum of its proper divisors (6426740458).

12222101222 is a wasteful number, since it uses less digits than its factorization.

12222101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27607.

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

Adding to 12222101222 its reverse (22210122221), we get a palindrome (34432223443).

The spelling of 12222101222 in words is "twelve billion, two hundred twenty-two million, one hundred one thousand, two hundred twenty-two".