12220122110022 has 128 divisors (see below), whose sum is σ = 28071188392320. Its totient is φ = 3988234755072.

The previous prime is 12220122109931. The next prime is 12220122110041. The reversal of 12220122110022 is 22001122102221.

It is a happy number.

12220122110022 is a `hidden beast` number, since 122 + 201 + 221 + 100 + 22 = 666.

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 = 12220122109977 and 12220122110004.

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, 43604698 + ... + 43884050.

It is an arithmetic number, because the mean of its divisors is an integer number (219306159315).

Almost surely, 2^{12220122110022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220122110022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14035594196160).

12220122110022 is an abundant number, since it is smaller than the sum of its proper divisors (15851066282298).

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

12220122110022 is an equidigital number, since it uses as much as digits as its factorization.

12220122110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279586 (or 279568 counting only the distinct ones).

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

Adding to 12220122110022 its reverse (22001122102221), we get a palindrome (34221244212243).

The spelling of 12220122110022 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, one hundred ten thousand, twenty-two".