112281912 has 48 divisors (see below), whose sum is σ = 306343440. Its totient is φ = 37150848.

The previous prime is 112281899. The next prime is 112281941. The reversal of 112281912 is 219182211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4173 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (6382155).

Almost surely, 2^112281912 is an apocalyptic number.

112281912 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 112281912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153171720).

112281912 is an abundant number, since it is smaller than the sum of its proper divisors (194061528).

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

112281912 is a wasteful number, since it uses less digits than its factorization.

112281912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532 (or 11525 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 112281912 is about 10596.3159635790. The cubic root of 112281912 is about 482.4325473283.

The spelling of 112281912 in words is "one hundred twelve million, two hundred eighty-one thousand, nine hundred twelve".