12112133072 has 160 divisors (see below), whose sum is σ = 28391932800. Its totient is φ = 4944789504.

The previous prime is 12112133071. The next prime is 12112133153. The reversal of 12112133072 is 27033121121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112133071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9337928 + ... + 9339224.

It is an arithmetic number, because the mean of its divisors is an integer number (177449580).

Almost surely, 2^12112133072 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 12112133072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14195966400).

12112133072 is an abundant number, since it is smaller than the sum of its proper divisors (16279799728).

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

12112133072 is a wasteful number, since it uses less digits than its factorization.

12112133072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 12112133072 its reverse (27033121121), we get a palindrome (39145254193).

The spelling of 12112133072 in words is "twelve billion, one hundred twelve million, one hundred thirty-three thousand, seventy-two".