12118561207 has 2 divisors, whose sum is σ = 12118561208. Its totient is φ = 12118561206.

The previous prime is 12118561153. The next prime is 12118561219. The reversal of 12118561207 is 70216581121.

12118561207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12118561207 - 2³¹ = 9971077559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12118541207) 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, 6059280603 + 6059280604.

It is an arithmetic number, because the mean of its divisors is an integer number (6059280604).

Almost surely, 2^12118561207 is an apocalyptic number.

12118561207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118561207 is an equidigital number, since it uses as much as digits as its factorization.

12118561207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 12118561207 in words is "twelve billion, one hundred eighteen million, five hundred sixty-one thousand, two hundred seven".