122122223230220 has 24 divisors (see below), whose sum is σ = 256479443137008. Its totient is φ = 48844551320000.

The previous prime is 122122223230219. The next prime is 122122223230417. The reversal of 122122223230220 is 22032322221221.

It is a super-2 number, since 2×122122223230220² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122122223230220.

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, 270892406 + ... + 271342845.

It is an arithmetic number, because the mean of its divisors is an integer number (10686643464042).

Almost surely, 2^{122122223230220} is an apocalyptic number.

122122223230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122223230220 is an abundant number, since it is smaller than the sum of its proper divisors (134357219906788).

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

122122223230220 is a wasteful number, since it uses less digits than its factorization.

122122223230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542246521 (or 542246519 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 122122223230220 its reverse (22032322221221), we get a palindrome (144154545451441).

The spelling of 122122223230220 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty-three million, two hundred thirty thousand, two hundred twenty".