122411312 has 80 divisors (see below), whose sum is σ = 257126400. Its totient is φ = 56348160.

The previous prime is 122411279. The next prime is 122411351. The reversal of 122411312 is 213114221.

It is a super-2 number, since 2×122411312² = 29969058611122688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375364 + ... + 1375452.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^122411312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122411312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128563200).

122411312 is an abundant number, since it is smaller than the sum of its proper divisors (134715088).

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

122411312 is a wasteful number, since it uses less digits than its factorization.

122411312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 228 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 122411312 is about 11063.9645697191. The cubic root of 122411312 is about 496.5243111578.

Adding to 122411312 its reverse (213114221), we get a palindrome (335525533).

The spelling of 122411312 in words is "one hundred twenty-two million, four hundred eleven thousand, three hundred twelve".