12122102022222 has 64 divisors (see below), whose sum is σ = 25081420066560. Its totient is φ = 3903368361984.

The previous prime is 12122102022181. The next prime is 12122102022227. The reversal of 12122102022222 is 22222020122121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122102022227) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14988718 + ... + 15776750.

It is an arithmetic number, because the mean of its divisors is an integer number (391897188540).

Almost surely, 2^{12122102022222} is an apocalyptic number.

12122102022222 is an abundant number, since it is smaller than the sum of its proper divisors (12959318044338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122102022222 is a wasteful number, since it uses less digits than its factorization.

12122102022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788737.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12122102022222 its reverse (22222020122121), we get a palindrome (34344122144343).

The spelling of 12122102022222 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twenty-two thousand, two hundred twenty-two".