112312140 has 48 divisors (see below), whose sum is σ = 321172992. Its totient is φ = 29311936.

The previous prime is 112312133. The next prime is 112312147. The reversal of 112312140 is 41213211.

It is an interprime number because it is at equal distance from previous prime (112312133) and next prime (112312147).

It is a super-2 number, since 2×112312140² = 25228033582759200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (112312147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17094 + ... + 22733.

It is an arithmetic number, because the mean of its divisors is an integer number (6691104).

Almost surely, 2^112312140 is an apocalyptic number.

112312140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112312140 is an abundant number, since it is smaller than the sum of its proper divisors (208860852).

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

112312140 is a wasteful number, since it uses less digits than its factorization.

112312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39886 (or 39884 counting only the distinct ones).

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

The square root of 112312140 is about 10597.7422123771. The cubic root of 112312140 is about 482.4758361725.

Adding to 112312140 its reverse (41213211), we get a palindrome (153525351).

The spelling of 112312140 in words is "one hundred twelve million, three hundred twelve thousand, one hundred forty".