12321032200 has 96 divisors (see below), whose sum is σ = 30384840960. Its totient is φ = 4630348800.

The previous prime is 12321032197. The next prime is 12321032257. The reversal of 12321032200 is 223012321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2142529 + ... + 2148271.

It is an arithmetic number, because the mean of its divisors is an integer number (316508760).

Almost surely, 2^12321032200 is an apocalyptic number.

12321032200 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 12321032200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15192420480).

12321032200 is an abundant number, since it is smaller than the sum of its proper divisors (18063808760).

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

12321032200 is a wasteful number, since it uses less digits than its factorization.

12321032200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407 (or 6398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12321032200 its reverse (223012321), we get a palindrome (12544044521).

The spelling of 12321032200 in words is "twelve billion, three hundred twenty-one million, thirty-two thousand, two hundred".