12321133121200 has 30 divisors (see below), whose sum is σ = 29601522324644. Its totient is φ = 4928453248320.

The previous prime is 12321133121147. The next prime is 12321133121287. The reversal of 12321133121200 is 212133112321.

12321133121200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15401416002 + ... + 15401416801.

Almost surely, 2^{12321133121200} is an apocalyptic number.

12321133121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321133121200 is an abundant number, since it is smaller than the sum of its proper divisors (17280389203444).

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

12321133121200 is a wasteful number, since it uses less digits than its factorization.

12321133121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30802832821 (or 30802832810 counting only the distinct ones).

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

Adding to 12321133121200 its reverse (212133112321), we get a palindrome (12533266233521).

The spelling of 12321133121200 in words is "twelve trillion, three hundred twenty-one billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred".