12204742271 has 2 divisors, whose sum is σ = 12204742272. Its totient is φ = 12204742270.

The previous prime is 12204742259. The next prime is 12204742339. The reversal of 12204742271 is 17224740221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12204742271 - 2²² = 12200547967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12204742211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102371135 + 6102371136.

It is an arithmetic number, because the mean of its divisors is an integer number (6102371136).

Almost surely, 2^12204742271 is an apocalyptic number.

12204742271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204742271 is an equidigital number, since it uses as much as digits as its factorization.

12204742271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 32.

The spelling of 12204742271 in words is "twelve billion, two hundred four million, seven hundred forty-two thousand, two hundred seventy-one".