12321130231200 has 288 divisors, whose sum is σ = 47827414849536. Its totient is φ = 2693812239360.

The previous prime is 12321130231187. The next prime is 12321130231217. The reversal of 12321130231200 is 213203112321.

12321130231200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 15557092 + ... + 16329891.

It is an arithmetic number, because the mean of its divisors is an integer number (166067412672).

Almost surely, 2^{12321130231200} is an apocalyptic number.

12321130231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321130231200 is an abundant number, since it is smaller than the sum of its proper divisors (35506284618336).

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

12321130231200 is a wasteful number, since it uses less digits than its factorization.

12321130231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31887036 (or 31887023 counting only the distinct ones).

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

Adding to 12321130231200 its reverse (213203112321), we get a palindrome (12534333343521).

The spelling of 12321130231200 in words is "twelve trillion, three hundred twenty-one billion, one hundred thirty million, two hundred thirty-one thousand, two hundred".