112312220 has 24 divisors (see below), whose sum is σ = 246111264. Its totient is φ = 42971456.

The previous prime is 112312201. The next prime is 112312241. The reversal of 112312220 is 22213211.

It is a happy number.

It is a super-2 number, since 2×112312220² = 25228069522656800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112312195 and 112312204.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 121619 + ... + 122538.

It is an arithmetic number, because the mean of its divisors is an integer number (10254636).

Almost surely, 2^112312220 is an apocalyptic number.

112312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112312220 is an abundant number, since it is smaller than the sum of its proper divisors (133799044).

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

112312220 is a wasteful number, since it uses less digits than its factorization.

112312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244189 (or 244187 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 112312220 is about 10597.7459867653. The cubic root of 112312220 is about 482.4759507285.

Adding to 112312220 its reverse (22213211), we get a palindrome (134525431).

Subtracting from 112312220 its reverse (22213211), we obtain a palindrome (90099009).

The spelling of 112312220 in words is "one hundred twelve million, three hundred twelve thousand, two hundred twenty".