12018112 has 28 divisors (see below), whose sum is σ = 24160480. Its totient is φ = 5930496.

The previous prime is 12018107. The next prime is 12018163. The reversal of 12018112 is 21181021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3868 + ... + 6244.

Almost surely, 2^12018112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12018112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12080240).

12018112 is an abundant number, since it is smaller than the sum of its proper divisors (12142368).

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

12018112 is an equidigital number, since it uses as much as digits as its factorization.

12018112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 12018112 is about 3466.7148714597. The cubic root of 12018112 is about 229.0579742999.

Adding to 12018112 its reverse (21181021), we get a palindrome (33199133).

The spelling of 12018112 in words is "twelve million, eighteen thousand, one hundred twelve".