12118207085 has 16 divisors (see below), whose sum is σ = 14732758656. Its totient is φ = 9567542208.

The previous prime is 12118207069. The next prime is 12118207091. The reversal of 12118207085 is 58070281121.

12118207085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12118207085 - 2⁴ = 12118207069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 386207 + ... + 416403.

It is an arithmetic number, because the mean of its divisors is an integer number (920797416).

Almost surely, 2^12118207085 is an apocalyptic number.

It is an amenable number.

12118207085 is a deficient number, since it is larger than the sum of its proper divisors (2614551571).

12118207085 is an equidigital number, since it uses as much as digits as its factorization.

12118207085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31252.

The product of its (nonzero) digits is 8960, while the sum is 35.

The spelling of 12118207085 in words is "twelve billion, one hundred eighteen million, two hundred seven thousand, eighty-five".