122122312 has 32 divisors (see below), whose sum is σ = 247060800. Its totient is φ = 56257344.

The previous prime is 122122303. The next prime is 122122327. The reversal of 122122312 is 213221221.

It is a happy number.

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, 88653 + ... + 90019.

It is an arithmetic number, because the mean of its divisors is an integer number (7720650).

Almost surely, 2^122122312 is an apocalyptic number.

It is an amenable number.

122122312 is an abundant number, since it is smaller than the sum of its proper divisors (124938488).

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

122122312 is a wasteful number, since it uses less digits than its factorization.

122122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2241 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 122122312 is about 11050.8964342265. The cubic root of 122122312 is about 496.1332563395.

Adding to 122122312 its reverse (213221221), we get a palindrome (335343533).

The spelling of 122122312 in words is "one hundred twenty-two million, one hundred twenty-two thousand, three hundred twelve".