12221002022 has 32 divisors (see below), whose sum is σ = 19287908352. Its totient is φ = 5796324864.

The previous prime is 12221002021. The next prime is 12221002033. The reversal of 12221002022 is 22020012221.

12221002022 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 = 12221001988 and 12221002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3078683 + ... + 3082649.

It is an arithmetic number, because the mean of its divisors is an integer number (602747136).

Almost surely, 2^12221002022 is an apocalyptic number.

12221002022 is a deficient number, since it is larger than the sum of its proper divisors (7066906330).

12221002022 is a wasteful number, since it uses less digits than its factorization.

12221002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12221002022 its reverse (22020012221), we get a palindrome (34241014243).

The spelling of 12221002022 in words is "twelve billion, two hundred twenty-one million, two thousand, twenty-two".