12220122122 has 16 divisors (see below), whose sum is σ = 19747959840. Its totient is φ = 5637838512.

The previous prime is 12220122113. The next prime is 12220122133. The reversal of 12220122122 is 22122102221.

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 12220122122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24068 + ... + 158175.

It is an arithmetic number, because the mean of its divisors is an integer number (1234247490).

Almost surely, 2^12220122122 is an apocalyptic number.

12220122122 is a deficient number, since it is larger than the sum of its proper divisors (7527837718).

12220122122 is a wasteful number, since it uses less digits than its factorization.

12220122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184837.

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

Adding to 12220122122 its reverse (22122102221), we get a palindrome (34342224343).

The spelling of 12220122122 in words is "twelve billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".