12112816 has 20 divisors (see below), whose sum is σ = 24226624. Its totient is φ = 5860800.

The previous prime is 12112781. The next prime is 12112819. The reversal of 12112816 is 61821121.

12112816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12112816 is an admirable number.

It is a super-2 number, since 2×12112816² = 293440622899712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12112819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11715 + ... + 12706.

Almost surely, 2^12112816 is an apocalyptic number.

12112816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12112816 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12112816 is a wasteful number, since it uses less digits than its factorization.

12112816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24460 (or 24454 counting only the distinct ones).

The product of its digits is 192, while the sum is 22.

The square root of 12112816 is about 3480.3471091258. The cubic root of 12112816 is about 229.6580678439.

Adding to 12112816 its reverse (61821121), we get a palindrome (73933937).

The spelling of 12112816 in words is "twelve million, one hundred twelve thousand, eight hundred sixteen".