122210112 has 56 divisors (see below), whose sum is σ = 332106016. Its totient is φ = 39633408.

The previous prime is 122210111. The next prime is 122210117. The reversal of 122210112 is 211012221.

It is a super-2 number, since 2×122210112² = 29870622950105088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498 + ... + 15705.

Almost surely, 2^122210112 is an apocalyptic number.

122210112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166053008).

122210112 is an abundant number, since it is smaller than the sum of its proper divisors (209895904).

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

122210112 is a wasteful number, since it uses less digits than its factorization.

122210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17255 (or 17245 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 122210112 is about 11054.8682488757. The cubic root of 122210112 is about 496.2521264134.

Adding to 122210112 its reverse (211012221), we get a palindrome (333222333).

The spelling of 122210112 in words is "one hundred twenty-two million, two hundred ten thousand, one hundred twelve".