12321200321 has 8 divisors (see below), whose sum is σ = 12662843424. Its totient is φ = 11981515680.

The previous prime is 12321200291. The next prime is 12321200369. The reversal of 12321200321 is 12300212321.

12321200321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321200321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12321200321.

It is not an unprimeable number, because it can be changed into a prime (12321206321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476855 + ... + 502028.

It is an arithmetic number, because the mean of its divisors is an integer number (1582855428).

Almost surely, 2^12321200321 is an apocalyptic number.

It is an amenable number.

12321200321 is a deficient number, since it is larger than the sum of its proper divisors (341643103).

12321200321 is an equidigital number, since it uses as much as digits as its factorization.

12321200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979231.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12321200321 its reverse (12300212321), we get a palindrome (24621412642).

The spelling of 12321200321 in words is "twelve billion, three hundred twenty-one million, two hundred thousand, three hundred twenty-one".