12203221271 has 2 divisors, whose sum is σ = 12203221272. Its totient is φ = 12203221270.

The previous prime is 12203221253. The next prime is 12203221307. The reversal of 12203221271 is 17212230221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12203221271 - 2¹⁴ = 12203204887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203221211) 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, 6101610635 + 6101610636.

It is an arithmetic number, because the mean of its divisors is an integer number (6101610636).

Almost surely, 2^12203221271 is an apocalyptic number.

12203221271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203221271 is an equidigital number, since it uses as much as digits as its factorization.

12203221271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 12203221271 its reverse (17212230221), we get a palindrome (29415451492).

The spelling of 12203221271 in words is "twelve billion, two hundred three million, two hundred twenty-one thousand, two hundred seventy-one".