43112112 has 40 divisors (see below), whose sum is σ = 111629760. Its totient is φ = 14337600.

The previous prime is 43112089. The next prime is 43112129. The reversal of 43112112 is 21121134.

It is a super-2 number, since 2×43112112² = 3717308402201088, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 43112091 and 43112100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28987 + ... + 30437.

It is an arithmetic number, because the mean of its divisors is an integer number (2790744).

Almost surely, 2^43112112 is an apocalyptic number.

It is an amenable number.

43112112 is an abundant number, since it is smaller than the sum of its proper divisors (68517648).

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

43112112 is a wasteful number, since it uses less digits than its factorization.

43112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2075 counting only the distinct ones).

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

The square root of 43112112 is about 6565.9814194072. The cubic root of 43112112 is about 350.6440169718.

Adding to 43112112 its reverse (21121134), we get a palindrome (64233246).

The spelling of 43112112 in words is "forty-three million, one hundred twelve thousand, one hundred twelve".