112199980 has 48 divisors (see below), whose sum is σ = 247665600. Its totient is φ = 42614528.

The previous prime is 112199977. The next prime is 112200001. The reversal of 112199980 is 89991211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67722 + ... + 69358.

It is an arithmetic number, because the mean of its divisors is an integer number (5159700).

Almost surely, 2^112199980 is an apocalyptic number.

112199980 is a gapful number since it is divisible by the number (10) 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 112199980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123832800).

112199980 is an abundant number, since it is smaller than the sum of its proper divisors (135465620).

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

112199980 is a wasteful number, since it uses less digits than its factorization.

112199980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 40.

The square root of 112199980 is about 10592.4491974236. The cubic root of 112199980 is about 482.3151752576.

It can be divided in two parts, 1121 and 99980, that added together give a palindrome (101101).

The spelling of 112199980 in words is "one hundred twelve million, one hundred ninety-nine thousand, nine hundred eighty".