112101312 has 28 divisors (see below), whose sum is σ = 296601896. Its totient is φ = 37367040.

The previous prime is 112101299. The next prime is 112101317. The reversal of 112101312 is 213101211.

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 (112101317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291739 + ... + 292122.

Almost surely, 2^112101312 is an apocalyptic number.

112101312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112101312 is an abundant number, since it is smaller than the sum of its proper divisors (184500584).

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

112101312 is an equidigital number, since it uses as much as digits as its factorization.

112101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583876 (or 583866 counting only the distinct ones).

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

The square root of 112101312 is about 10587.7907043915. The cubic root of 112101312 is about 482.1737520881.

Adding to 112101312 its reverse (213101211), we get a palindrome (325202523).

The spelling of 112101312 in words is "one hundred twelve million, one hundred one thousand, three hundred twelve".