12010111271 has 2 divisors, whose sum is σ = 12010111272. Its totient is φ = 12010111270.

The previous prime is 12010111247. The next prime is 12010111283. The reversal of 12010111271 is 17211101021.

It is a strong prime.

It is an emirp because it is prime and its reverse (17211101021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12010111271 - 2¹⁸ = 12009849127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12010111471) 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, 6005055635 + 6005055636.

It is an arithmetic number, because the mean of its divisors is an integer number (6005055636).

Almost surely, 2^12010111271 is an apocalyptic number.

12010111271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010111271 is an equidigital number, since it uses as much as digits as its factorization.

12010111271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 12010111271 its reverse (17211101021), we get a palindrome (29221212292).

The spelling of 12010111271 in words is "twelve billion, ten million, one hundred eleven thousand, two hundred seventy-one".