12118991039 has 2 divisors, whose sum is σ = 12118991040. Its totient is φ = 12118991038.

The previous prime is 12118991023. The next prime is 12118991081. The reversal of 12118991039 is 93019981121.

12118991039 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 a cyclic number.

It is not a de Polignac number, because 12118991039 - 2⁴ = 12118991023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12118991539) 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, 6059495519 + 6059495520.

It is an arithmetic number, because the mean of its divisors is an integer number (6059495520).

Almost surely, 2^12118991039 is an apocalyptic number.

12118991039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118991039 is an equidigital number, since it uses as much as digits as its factorization.

12118991039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 12118991039 in words is "twelve billion, one hundred eighteen million, nine hundred ninety-one thousand, thirty-nine".