122122222120 has 32 divisors (see below), whose sum is σ = 283638712320. Its totient is φ = 47273117760.

The previous prime is 122122222081. The next prime is 122122222147. The reversal of 122122222120 is 21222221221.

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, 49241592 + ... + 49244071.

It is an arithmetic number, because the mean of its divisors is an integer number (8863709760).

Almost surely, 2^122122222120 is an apocalyptic number.

122122222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122222120 is an abundant number, since it is smaller than the sum of its proper divisors (161516490200).

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

122122222120 is a wasteful number, since it uses less digits than its factorization.

122122222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98485705 (or 98485701 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122122222120 its reverse (21222221221), we get a palindrome (143344443341).

The spelling of 122122222120 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty".