12001223023271 has 2 divisors, whose sum is σ = 12001223023272. Its totient is φ = 12001223023270.

The previous prime is 12001223023219. The next prime is 12001223023319. The reversal of 12001223023271 is 17232032210021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001223023271 - 2³⁰ = 12000149281447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001223023271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001223023201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000611511635 + 6000611511636.

It is an arithmetic number, because the mean of its divisors is an integer number (6000611511636).

Almost surely, 2^{12001223023271} is an apocalyptic number.

12001223023271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001223023271 is an equidigital number, since it uses as much as digits as its factorization.

12001223023271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 12001223023271 its reverse (17232032210021), we get a palindrome (29233255233292).

The spelling of 12001223023271 in words is "twelve trillion, one billion, two hundred twenty-three million, twenty-three thousand, two hundred seventy-one".