12112131131232 has 96 divisors (see below), whose sum is σ = 34697346364800. Its totient is φ = 3669008670720.

The previous prime is 12112131131203. The next prime is 12112131131251. The reversal of 12112131131232 is 23213113121121.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824019 + ... + 4990317.

It is an arithmetic number, because the mean of its divisors is an integer number (361430691300).

Almost surely, 2^{12112131131232} is an apocalyptic number.

12112131131232 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 12112131131232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17348673182400).

12112131131232 is an abundant number, since it is smaller than the sum of its proper divisors (22585215233568).

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

12112131131232 is a wasteful number, since it uses less digits than its factorization.

12112131131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169076 (or 4169068 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

Adding to 12112131131232 its reverse (23213113121121), we get a palindrome (35325244252353).

The spelling of 12112131131232 in words is "twelve trillion, one hundred twelve billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred thirty-two".