12231311321200 has 120 divisors (see below), whose sum is σ = 30665858696928. Its totient is φ = 4679425597440.

The previous prime is 12231311321179. The next prime is 12231311321209. The reversal of 12231311321200 is 212311313221.

It is a super-3 number, since 3×12231311321200³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231311321209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130160632 + ... + 130254568.

Almost surely, 2^{12231311321200} is an apocalyptic number.

12231311321200 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 12231311321200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15332929348464).

12231311321200 is an abundant number, since it is smaller than the sum of its proper divisors (18434547375728).

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

12231311321200 is a wasteful number, since it uses less digits than its factorization.

12231311321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108131 (or 108120 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12231311321200 its reverse (212311313221), we get a palindrome (12443622634421).

The spelling of 12231311321200 in words is "twelve trillion, two hundred thirty-one billion, three hundred eleven million, three hundred twenty-one thousand, two hundred".