112312404 has 144 divisors (see below), whose sum is σ = 320785920. Its totient is φ = 32947200.

The previous prime is 112312399. The next prime is 112312423. The reversal of 112312404 is 404213211.

It is a super-2 number, since 2×112312404² = 25228152184518432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1111954 + ... + 1112054.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^112312404 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 112312404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160392960).

112312404 is an abundant number, since it is smaller than the sum of its proper divisors (208473516).

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

112312404 is a wasteful number, since it uses less digits than its factorization.

112312404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 112312404 is about 10597.7546678530. The cubic root of 112312404 is about 482.4762142068.

Adding to 112312404 its reverse (404213211), we get a palindrome (516525615).

The spelling of 112312404 in words is "one hundred twelve million, three hundred twelve thousand, four hundred four".