112312122 has 32 divisors (see below), whose sum is σ = 244181952. Its totient is φ = 34232064.

The previous prime is 112312121. The next prime is 112312133. The reversal of 112312122 is 221213211.

It is a super-2 number, since 2×112312122² = 25228025496285768, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (112312121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618 + ... + 15074.

It is an arithmetic number, because the mean of its divisors is an integer number (7630686).

Almost surely, 2^112312122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112312122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122090976).

112312122 is an abundant number, since it is smaller than the sum of its proper divisors (131869830).

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

112312122 is a wasteful number, since it uses less digits than its factorization.

112312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582.

The product of its digits is 48, while the sum is 15.

The square root of 112312122 is about 10597.7413631396. The cubic root of 112312122 is about 482.4758103975.

Adding to 112312122 its reverse (221213211), we get a palindrome (333525333).

The spelling of 112312122 in words is "one hundred twelve million, three hundred twelve thousand, one hundred twenty-two".