12132130022321 has 4 divisors (see below), whose sum is σ = 12132660365172. Its totient is φ = 12131599679472.

The previous prime is 12132130022239. The next prime is 12132130022347. The reversal of 12132130022321 is 12322003123121.

12132130022321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6954507379600 + 5177622642721 = 2637140^2 + 2275439^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132130022321 - 2²⁶ = 12132062913457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12132130022521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265137110 + ... + 265182863.

It is an arithmetic number, because the mean of its divisors is an integer number (3033165091293).

Almost surely, 2^{12132130022321} is an apocalyptic number.

It is an amenable number.

12132130022321 is a deficient number, since it is larger than the sum of its proper divisors (530342851).

12132130022321 is an equidigital number, since it uses as much as digits as its factorization.

12132130022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530342850.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12132130022321 its reverse (12322003123121), we get a palindrome (24454133145442).

The spelling of 12132130022321 in words is "twelve trillion, one hundred thirty-two billion, one hundred thirty million, twenty-two thousand, three hundred twenty-one".