12321013321171 has 2 divisors, whose sum is σ = 12321013321172. Its totient is φ = 12321013321170.

The previous prime is 12321013321159. The next prime is 12321013321187. The reversal of 12321013321171 is 17112331012321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12321013321171 - 2¹⁵ = 12321013288403 is a prime.

It is a super-2 number, since 2×12321013321171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12321013325171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160506660585 + 6160506660586.

It is an arithmetic number, because the mean of its divisors is an integer number (6160506660586).

Almost surely, 2^{12321013321171} is an apocalyptic number.

12321013321171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321013321171 is an equidigital number, since it uses as much as digits as its factorization.

12321013321171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 12321013321171 its reverse (17112331012321), we get a palindrome (29433344333492).

The spelling of 12321013321171 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred twenty-one thousand, one hundred seventy-one".