12222021021122 has 16 divisors (see below), whose sum is σ = 20009064765600. Its totient is φ = 5552854655040.

The previous prime is 12222021021109. The next prime is 12222021021137. The reversal of 12222021021122 is 22112012022221.

12222021021122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12222021021094 and 12222021021103.

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, 130424372 + ... + 130518047.

It is an arithmetic number, because the mean of its divisors is an integer number (1250566547850).

Almost surely, 2^{12222021021122} is an apocalyptic number.

12222021021122 is a deficient number, since it is larger than the sum of its proper divisors (7787043744478).

12222021021122 is a wasteful number, since it uses less digits than its factorization.

12222021021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260944561.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12222021021122 its reverse (22112012022221), we get a palindrome (34334033043343).

The spelling of 12222021021122 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, twenty-one thousand, one hundred twenty-two".