12031322003200 has 108 divisors (see below), whose sum is σ = 29792170600920. Its totient is φ = 4810465300480.

The previous prime is 12031322003153. The next prime is 12031322003201. The reversal of 12031322003200 is 230022313021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031322003201) 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, 14567742 + ... + 15371458.

It is an arithmetic number, because the mean of its divisors is an integer number (275853431490).

Almost surely, 2^{12031322003200} is an apocalyptic number.

12031322003200 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 12031322003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14896085300460).

12031322003200 is an abundant number, since it is smaller than the sum of its proper divisors (17760848597720).

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

12031322003200 is an equidigital number, since it uses as much as digits as its factorization.

12031322003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806082 (or 806063 counting only the distinct ones).

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

Adding to 12031322003200 its reverse (230022313021), we get a palindrome (12261344316221).

The spelling of 12031322003200 in words is "twelve trillion, thirty-one billion, three hundred twenty-two million, three thousand, two hundred".