12212110022122 has 32 divisors (see below), whose sum is σ = 19866208025664. Its totient is φ = 5607728582400.

The previous prime is 12212110022083. The next prime is 12212110022129. The reversal of 12212110022122 is 22122001121221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212110022122.

It is not an unprimeable number, because it can be changed into a prime (12212110022129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2597904 + ... + 5583307.

It is an arithmetic number, because the mean of its divisors is an integer number (620819000802).

Almost surely, 2^{12212110022122} is an apocalyptic number.

12212110022122 is a deficient number, since it is larger than the sum of its proper divisors (7654098003542).

12212110022122 is a wasteful number, since it uses less digits than its factorization.

12212110022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182294.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212110022122 its reverse (22122001121221), we get a palindrome (34334111143343).

The spelling of 12212110022122 in words is "twelve trillion, two hundred twelve billion, one hundred ten million, twenty-two thousand, one hundred twenty-two".