12047112 has 192 divisors, whose sum is σ = 42456960. Its totient is φ = 2995200.

The previous prime is 12047111. The next prime is 12047137. The reversal of 12047112 is 21174021.

12047112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12047111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227278 + ... + 227330.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

Almost surely, 2^12047112 is an apocalyptic number.

12047112 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 12047112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21228480).

12047112 is an abundant number, since it is smaller than the sum of its proper divisors (30409848).

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

12047112 is a wasteful number, since it uses less digits than its factorization.

12047112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 12047112 is about 3470.8949854468. The cubic root of 12047112 is about 229.2420671486.

The spelling of 12047112 in words is "twelve million, forty-seven thousand, one hundred twelve".