12220110012220 has 24 divisors (see below), whose sum is σ = 27995161119408. Its totient is φ = 4443676368000.

The previous prime is 12220110012211. The next prime is 12220110012247. The reversal of 12220110012220 is 2221001102221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12220110012194 and 12220110012203.

It is a congruent number.

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, 27772977081 + ... + 27772977520.

It is an arithmetic number, because the mean of its divisors is an integer number (1166465046642).

Almost surely, 2^{12220110012220} is an apocalyptic number.

12220110012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220110012220 is an abundant number, since it is smaller than the sum of its proper divisors (15775051107188).

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

12220110012220 is a wasteful number, since it uses less digits than its factorization.

12220110012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55545954621 (or 55545954619 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12220110012220 its reverse (2221001102221), we get a palindrome (14441111114441).

The spelling of 12220110012220 in words is "twelve trillion, two hundred twenty billion, one hundred ten million, twelve thousand, two hundred twenty".