12112233132 has 24 divisors (see below), whose sum is σ = 28264127472. Its totient is φ = 4037089600.

The previous prime is 12112233127. The next prime is 12112233167. The reversal of 12112233132 is 23133221121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12112233099 and 12112233108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154582 + ... + 219362.

It is an arithmetic number, because the mean of its divisors is an integer number (1177671978).

Almost surely, 2^12112233132 is an apocalyptic number.

12112233132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112233132 is an abundant number, since it is smaller than the sum of its proper divisors (16151894340).

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

12112233132 is a wasteful number, since it uses less digits than its factorization.

12112233132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80369 (or 80367 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 12112233132 its reverse (23133221121), we get a palindrome (35245454253).

The spelling of 12112233132 in words is "twelve billion, one hundred twelve million, two hundred thirty-three thousand, one hundred thirty-two".