12321201023200 has 216 divisors, whose sum is σ = 31167828881280. Its totient is φ = 4756132147200.

The previous prime is 12321201023179. The next prime is 12321201023203. The reversal of 12321201023200 is 232010212321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321201023203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1936988020 + ... + 1936994380.

It is an arithmetic number, because the mean of its divisors is an integer number (144295504080).

Almost surely, 2^{12321201023200} is an apocalyptic number.

12321201023200 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 12321201023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15583914440640).

12321201023200 is an abundant number, since it is smaller than the sum of its proper divisors (18846627858080).

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

12321201023200 is a wasteful number, since it uses less digits than its factorization.

12321201023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318 (or 9276 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12321201023200 its reverse (232010212321), we get a palindrome (12553211235521).

The spelling of 12321201023200 in words is "twelve trillion, three hundred twenty-one billion, two hundred one million, twenty-three thousand, two hundred".