12221112020022 has 24 divisors (see below), whose sum is σ = 26479155558960. Its totient is φ = 4073691773520.

The previous prime is 12221112020021. The next prime is 12221112020023. The reversal of 12221112020022 is 22002021112221.

It is a happy number.

12221112020022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12221112020021) and next prime (12221112020023).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12221112019977 and 12221112020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221112020021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6735604 + ... + 8355272.

It is an arithmetic number, because the mean of its divisors is an integer number (1103298148290).

Almost surely, 2^{12221112020022} is an apocalyptic number.

12221112020022 is an abundant number, since it is smaller than the sum of its proper divisors (14258043538938).

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

12221112020022 is a wasteful number, since it uses less digits than its factorization.

12221112020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038868 (or 2038865 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12221112020022 its reverse (22002021112221), we get a palindrome (34223133132243).

The spelling of 12221112020022 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, twenty thousand, twenty-two".