12271648859 has 2 divisors, whose sum is σ = 12271648860. Its totient is φ = 12271648858.

The previous prime is 12271648847. The next prime is 12271648927. The reversal of 12271648859 is 95884617221.

12271648859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (95884617221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12271648859 - 2⁴ = 12271648843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12271648859.

It is not a weakly prime, because it can be changed into another prime (12271638859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6135824429 + 6135824430.

It is an arithmetic number, because the mean of its divisors is an integer number (6135824430).

Almost surely, 2^12271648859 is an apocalyptic number.

12271648859 is a deficient number, since it is larger than the sum of its proper divisors (1).

12271648859 is an equidigital number, since it uses as much as digits as its factorization.

12271648859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 53.

The spelling of 12271648859 in words is "twelve billion, two hundred seventy-one million, six hundred forty-eight thousand, eight hundred fifty-nine".