12331230032 has 60 divisors (see below), whose sum is σ = 26691955668. Its totient is φ = 5513164800.

The previous prime is 12331230031. The next prime is 12331230047. The reversal of 12331230032 is 23003213321.

It can be written as a sum of positive squares in 2 ways, for example, as 1077414976 + 11253815056 = 32824^2 + 106084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12331229986 and 12331230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331230031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65888 + ... + 170304.

Almost surely, 2^12331230032 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 12331230032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13345977834).

12331230032 is an abundant number, since it is smaller than the sum of its proper divisors (14360725636).

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

12331230032 is a wasteful number, since it uses less digits than its factorization.

12331230032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104508 (or 104491 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12331230032 its reverse (23003213321), we get a palindrome (35334443353).

The spelling of 12331230032 in words is "twelve billion, three hundred thirty-one million, two hundred thirty thousand, thirty-two".