122122112 has 48 divisors (see below), whose sum is σ = 283025520. Its totient is φ = 52335360.

The previous prime is 122122097. The next prime is 122122129. The reversal of 122122112 is 211221221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3464 + ... + 16007.

It is an arithmetic number, because the mean of its divisors is an integer number (5896365).

Almost surely, 2^122122112 is an apocalyptic number.

It is an amenable number.

122122112 is an abundant number, since it is smaller than the sum of its proper divisors (160903408).

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

122122112 is an equidigital number, since it uses as much as digits as its factorization.

122122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19499 (or 19480 counting only the distinct ones).

The product of its digits is 32, while the sum is 14.

The square root of 122122112 is about 11050.8873851831. The cubic root of 122122112 is about 496.1329854998.

Adding to 122122112 its reverse (211221221), we get a palindrome (333343333).

The spelling of 122122112 in words is "one hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".