12021122022 has 64 divisors (see below), whose sum is σ = 29608104960. Its totient is φ = 3168514944.

The previous prime is 12021121997. The next prime is 12021122033. The reversal of 12021122022 is 22022112021.

12021122022 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 = 12021121992 and 12021122010.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1071679 + ... + 1082837.

It is an arithmetic number, because the mean of its divisors is an integer number (462626640).

Almost surely, 2^12021122022 is an apocalyptic number.

12021122022 is an abundant number, since it is smaller than the sum of its proper divisors (17586982938).

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

12021122022 is a wasteful number, since it uses less digits than its factorization.

12021122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12021122022 its reverse (22022112021), we get a palindrome (34043234043).

The spelling of 12021122022 in words is "twelve billion, twenty-one million, one hundred twenty-two thousand, twenty-two".