12079336985 has 4 divisors (see below), whose sum is σ = 14495204388. Its totient is φ = 9663469584.

The previous prime is 12079336967. The next prime is 12079336987. The reversal of 12079336985 is 58963397021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7586584201 + 4492752784 = 87101^2 + 67028^2 .

It is a cyclic number.

It is not a de Polignac number, because 12079336985 - 2¹⁴ = 12079320601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12079336987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207933694 + ... + 1207933703.

It is an arithmetic number, because the mean of its divisors is an integer number (3623801097).

Almost surely, 2^12079336985 is an apocalyptic number.

It is an amenable number.

12079336985 is a deficient number, since it is larger than the sum of its proper divisors (2415867403).

12079336985 is an equidigital number, since it uses as much as digits as its factorization.

12079336985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415867402.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 12079336985 in words is "twelve billion, seventy-nine million, three hundred thirty-six thousand, nine hundred eighty-five".