12321201311304 has 32 divisors (see below), whose sum is σ = 30803246204640. Its totient is φ = 4107034713600.

The previous prime is 12321201311303. The next prime is 12321201311333. The reversal of 12321201311304 is 40311310212321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12321201311303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186119 + ... + 5103849.

It is an arithmetic number, because the mean of its divisors is an integer number (962601443895).

Almost surely, 2^{12321201311304} is an apocalyptic number.

It is an amenable number.

12321201311304 is an abundant number, since it is smaller than the sum of its proper divisors (18482044893336).

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

12321201311304 is a wasteful number, since it uses less digits than its factorization.

12321201311304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048781 (or 4048777 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12321201311304 its reverse (40311310212321), we get a palindrome (52632511523625).

The spelling of 12321201311304 in words is "twelve trillion, three hundred twenty-one billion, two hundred one million, three hundred eleven thousand, three hundred four".