12022101221022 has 128 divisors (see below), whose sum is σ = 29437957785600. Its totient is φ = 3619775835648.

The previous prime is 12022101220951. The next prime is 12022101221069. The reversal of 12022101221022 is 22012210122021.

It is a happy number.

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 = 12022101220986 and 12022101221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3093823 + ... + 5797925.

It is an arithmetic number, because the mean of its divisors is an integer number (229984045200).

Almost surely, 2^{12022101221022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022101221022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14718978892800).

12022101221022 is an abundant number, since it is smaller than the sum of its proper divisors (17415856564578).

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

12022101221022 is a wasteful number, since it uses less digits than its factorization.

12022101221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704327 (or 2704321 counting only the distinct ones).

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

Adding to 12022101221022 its reverse (22012210122021), we get a palindrome (34034311343043).

The spelling of 12022101221022 in words is "twelve trillion, twenty-two billion, one hundred one million, two hundred twenty-one thousand, twenty-two".