12031022432 has 96 divisors (see below), whose sum is σ = 27878891040. Its totient is φ = 5038571520.

The previous prime is 12031022431. The next prime is 12031022467. The reversal of 12031022432 is 23422013021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031022431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2802944 + ... + 2807232.

It is an arithmetic number, because the mean of its divisors is an integer number (290405115).

Almost surely, 2^12031022432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031022432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13939445520).

12031022432 is an abundant number, since it is smaller than the sum of its proper divisors (15847868608).

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

12031022432 is a wasteful number, since it uses less digits than its factorization.

12031022432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936 (or 4928 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12031022432 its reverse (23422013021), we get a palindrome (35453035453).

The spelling of 12031022432 in words is "twelve billion, thirty-one million, twenty-two thousand, four hundred thirty-two".