12080427889 has 2 divisors, whose sum is σ = 12080427890. Its totient is φ = 12080427888.

The previous prime is 12080427847. The next prime is 12080427971. The reversal of 12080427889 is 98872408021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10614150625 + 1466277264 = 103025^2 + 38292^2 .

It is a cyclic number.

It is not a de Polignac number, because 12080427889 - 2¹⁹ = 12079903601 is a prime.

It is not a weakly prime, because it can be changed into another prime (12080421889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040213944 + 6040213945.

It is an arithmetic number, because the mean of its divisors is an integer number (6040213945).

Almost surely, 2^12080427889 is an apocalyptic number.

It is an amenable number.

12080427889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12080427889 is an equidigital number, since it uses as much as digits as its factorization.

12080427889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 12080427889 in words is "twelve billion, eighty million, four hundred twenty-seven thousand, eight hundred eighty-nine".