12233031132 has 96 divisors (see below), whose sum is σ = 33072883200. Its totient is φ = 3446986752.

The previous prime is 12233031121. The next prime is 12233031163. The reversal of 12233031132 is 23113033221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12233031099 and 12233031108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3235219 + ... + 3238997.

It is an arithmetic number, because the mean of its divisors is an integer number (344509200).

Almost surely, 2^12233031132 is an apocalyptic number.

12233031132 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 12233031132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16536441600).

12233031132 is an abundant number, since it is smaller than the sum of its proper divisors (20839852068).

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

12233031132 is a wasteful number, since it uses less digits than its factorization.

12233031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315 (or 4313 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12233031132 its reverse (23113033221), we get a palindrome (35346064353).

The spelling of 12233031132 in words is "twelve billion, two hundred thirty-three million, thirty-one thousand, one hundred thirty-two".