12011220271 has 2 divisors, whose sum is σ = 12011220272. Its totient is φ = 12011220270.

The previous prime is 12011220223. The next prime is 12011220301. The reversal of 12011220271 is 17202211021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011220271 - 2¹⁷ = 12011089199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15011220271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005610135 + 6005610136.

It is an arithmetic number, because the mean of its divisors is an integer number (6005610136).

Almost surely, 2^12011220271 is an apocalyptic number.

12011220271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011220271 is an equidigital number, since it uses as much as digits as its factorization.

12011220271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 12011220271 its reverse (17202211021), we get a palindrome (29213431292).

The spelling of 12011220271 in words is "twelve billion, eleven million, two hundred twenty thousand, two hundred seventy-one".