12112432032 has 96 divisors (see below), whose sum is σ = 32189838912. Its totient is φ = 3987615744.

The previous prime is 12112432027. The next prime is 12112432039. The reversal of 12112432032 is 23023421121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12112432032² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12112432039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3328518 + ... + 3332154.

It is an arithmetic number, because the mean of its divisors is an integer number (335310822).

Almost surely, 2^12112432032 is an apocalyptic number.

12112432032 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 12112432032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16094919456).

12112432032 is an abundant number, since it is smaller than the sum of its proper divisors (20077406880).

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

12112432032 is a wasteful number, since it uses less digits than its factorization.

12112432032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070 (or 4062 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12112432032 its reverse (23023421121), we get a palindrome (35135853153).

The spelling of 12112432032 in words is "twelve billion, one hundred twelve million, four hundred thirty-two thousand, thirty-two".