12321311032200 has 192 divisors, whose sum is σ = 39432651148800. Its totient is φ = 3179333836800.

The previous prime is 12321311032189. The next prime is 12321311032241. The reversal of 12321311032200 is 223011312321.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190673496 + ... + 190738104.

It is an arithmetic number, because the mean of its divisors is an integer number (205378391400).

Almost surely, 2^{12321311032200} is an apocalyptic number.

12321311032200 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 12321311032200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19716325574400).

12321311032200 is an abundant number, since it is smaller than the sum of its proper divisors (27111340116600).

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

12321311032200 is a wasteful number, since it uses less digits than its factorization.

12321311032200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74912 (or 74903 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12321311032200 its reverse (223011312321), we get a palindrome (12544322344521).

The spelling of 12321311032200 in words is "twelve trillion, three hundred twenty-one billion, three hundred eleven million, thirty-two thousand, two hundred".