112389312 has 112 divisors (see below), whose sum is σ = 359907840. Its totient is φ = 30216192.

The previous prime is 112389301. The next prime is 112389317. The reversal of 112389312 is 213983211.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 112389312.

It is not an unprimeable number, because it can be changed into a prime (112389317) 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 15 ways as a sum of consecutive naturals, for example, 20389 + ... + 25307.

Almost surely, 2^112389312 is an apocalyptic number.

112389312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112389312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179953920).

112389312 is an abundant number, since it is smaller than the sum of its proper divisors (247518528).

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

112389312 is a wasteful number, since it uses less digits than its factorization.

112389312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958 (or 4948 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 112389312 is about 10601.3825513468. The cubic root of 112389312 is about 482.5863172552.

The spelling of 112389312 in words is "one hundred twelve million, three hundred eighty-nine thousand, three hundred twelve".