12131230271 has 2 divisors, whose sum is σ = 12131230272. Its totient is φ = 12131230270.

The previous prime is 12131230169. The next prime is 12131230273. The reversal of 12131230271 is 17203213121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12131230271 - 2¹⁰ = 12131229247 is a prime.

Together with 12131230273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12131230273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065615135 + 6065615136.

It is an arithmetic number, because the mean of its divisors is an integer number (6065615136).

Almost surely, 2^12131230271 is an apocalyptic number.

12131230271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131230271 is an equidigital number, since it uses as much as digits as its factorization.

12131230271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 12131230271 its reverse (17203213121), we get a palindrome (29334443392).

The spelling of 12131230271 in words is "twelve billion, one hundred thirty-one million, two hundred thirty thousand, two hundred seventy-one".