12011210221271 has 2 divisors, whose sum is σ = 12011210221272. Its totient is φ = 12011210221270.

The previous prime is 12011210221193. The next prime is 12011210221277. The reversal of 12011210221271 is 17212201211021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011210221271 - 2³⁰ = 12010136479447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011210221277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005605110635 + 6005605110636.

It is an arithmetic number, because the mean of its divisors is an integer number (6005605110636).

Almost surely, 2^{12011210221271} is an apocalyptic number.

12011210221271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011210221271 is an equidigital number, since it uses as much as digits as its factorization.

12011210221271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 12011210221271 its reverse (17212201211021), we get a palindrome (29223411432292).

The spelling of 12011210221271 in words is "twelve trillion, eleven billion, two hundred ten million, two hundred twenty-one thousand, two hundred seventy-one".