12132321317 has 2 divisors, whose sum is σ = 12132321318. Its totient is φ = 12132321316.

The previous prime is 12132321307. The next prime is 12132321391. The reversal of 12132321317 is 71312323121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10561467361 + 1570853956 = 102769^2 + 39634^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132321317 - 2¹⁶ = 12132255781 is a prime.

It is a super-2 number, since 2×12132321317² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12132321307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066160658 + 6066160659.

It is an arithmetic number, because the mean of its divisors is an integer number (6066160659).

Almost surely, 2^12132321317 is an apocalyptic number.

It is an amenable number.

12132321317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132321317 is an equidigital number, since it uses as much as digits as its factorization.

12132321317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

Adding to 12132321317 its reverse (71312323121), we get a palindrome (83444644438).

The spelling of 12132321317 in words is "twelve billion, one hundred thirty-two million, three hundred twenty-one thousand, three hundred seventeen".