12031412232 has 128 divisors (see below), whose sum is σ = 35644170240. Its totient is φ = 3311677440.

The previous prime is 12031412213. The next prime is 12031412257. The reversal of 12031412232 is 23221413021.

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 = 12031412199 and 12031412208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1177128 + ... + 1187304.

It is an arithmetic number, because the mean of its divisors is an integer number (278470080).

Almost surely, 2^12031412232 is an apocalyptic number.

12031412232 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 12031412232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17822085120).

12031412232 is an abundant number, since it is smaller than the sum of its proper divisors (23612758008).

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

12031412232 is a wasteful number, since it uses less digits than its factorization.

12031412232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10451 (or 10447 counting only the distinct ones).

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

Adding to 12031412232 its reverse (23221413021), we get a palindrome (35252825253).

The spelling of 12031412232 in words is "twelve billion, thirty-one million, four hundred twelve thousand, two hundred thirty-two".