12076317257 has 4 divisors (see below), whose sum is σ = 12492742020. Its totient is φ = 11659892496.

The previous prime is 12076317229. The next prime is 12076317263. The reversal of 12076317257 is 75271367021.

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 2631587401 + 9444729856 = 51299^2 + 97184^2 .

It is a cyclic number.

It is not a de Polignac number, because 12076317257 - 2¹⁰ = 12076316233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12076317277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208212338 + ... + 208212395.

It is an arithmetic number, because the mean of its divisors is an integer number (3123185505).

Almost surely, 2^12076317257 is an apocalyptic number.

It is an amenable number.

12076317257 is a deficient number, since it is larger than the sum of its proper divisors (416424763).

12076317257 is an equidigital number, since it uses as much as digits as its factorization.

12076317257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416424762.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 12076317257 in words is "twelve billion, seventy-six million, three hundred seventeen thousand, two hundred fifty-seven".