12132321323321 has 16 divisors (see below), whose sum is σ = 12171774236160. Its totient is φ = 12092945155200.

The previous prime is 12132321323263. The next prime is 12132321323341. The reversal of 12132321323321 is 12332312323121.

12132321323321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12132321323321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12132321323341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298220760 + ... + 2298226038.

It is an arithmetic number, because the mean of its divisors is an integer number (760735889760).

Almost surely, 2^{12132321323321} is an apocalyptic number.

It is an amenable number.

12132321323321 is a deficient number, since it is larger than the sum of its proper divisors (39452912839).

12132321323321 is an equidigital number, since it uses as much as digits as its factorization.

12132321323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216.

The product of its digits is 7776, while the sum is 29.

Adding to 12132321323321 its reverse (12332312323121), we get a palindrome (24464633646442).

The spelling of 12132321323321 in words is "twelve trillion, one hundred thirty-two billion, three hundred twenty-one million, three hundred twenty-three thousand, three hundred twenty-one".