12031123233132 has 216 divisors, whose sum is σ = 32378007414480. Its totient is φ = 3765526997760.

The previous prime is 12031123233127. The next prime is 12031123233133. The reversal of 12031123233132 is 23133232113021.

12031123233132 is a `hidden beast` number, since 1 + 2 + 0 + 311 + 2 + 32 + 3 + 313 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12031123233096 and 12031123233105.

It is not an unprimeable number, because it can be changed into a prime (12031123233133) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 591286983 + ... + 591307329.

Almost surely, 2^{12031123233132} is an apocalyptic number.

12031123233132 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 12031123233132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16189003707240).

12031123233132 is an abundant number, since it is smaller than the sum of its proper divisors (20346884181348).

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

12031123233132 is a wasteful number, since it uses less digits than its factorization.

12031123233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20973 (or 20945 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12031123233132 its reverse (23133232113021), we get a palindrome (35164355346153).

The spelling of 12031123233132 in words is "twelve trillion, thirty-one billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred thirty-two".