12031323400 has 96 divisors (see below), whose sum is σ = 28313812800. Its totient is φ = 4754246400.

The previous prime is 12031323383. The next prime is 12031323427. The reversal of 12031323400 is 432313021.

12031323400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5899581 + ... + 5901619.

It is an arithmetic number, because the mean of its divisors is an integer number (294935550).

Almost surely, 2^12031323400 is an apocalyptic number.

12031323400 is a gapful number since it is divisible by the number (10) 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 12031323400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14156906400).

12031323400 is an abundant number, since it is smaller than the sum of its proper divisors (16282489400).

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

12031323400 is a wasteful number, since it uses less digits than its factorization.

12031323400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12031323400 its reverse (432313021), we get a palindrome (12463636421).

The spelling of 12031323400 in words is "twelve billion, thirty-one million, three hundred twenty-three thousand, four hundred".