12256084608769 has 4 divisors (see below), whose sum is σ = 12977030762244. Its totient is φ = 11535138455296.

The previous prime is 12256084608767. The next prime is 12256084608847. The reversal of 12256084608769 is 96780648065221.

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 6205778499600 + 6050306109169 = 2491140^2 + 2459737^2 .

It is a cyclic number.

It is not a de Polignac number, because 12256084608769 - 2¹ = 12256084608767 is a prime.

It is a super-2 number, since 2×12256084608769² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12256084608769.

It is not an unprimeable number, because it can be changed into a prime (12256084608763) 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, 360473076712 + ... + 360473076745.

It is an arithmetic number, because the mean of its divisors is an integer number (3244257690561).

Almost surely, 2^{12256084608769} is an apocalyptic number.

It is an amenable number.

12256084608769 is a deficient number, since it is larger than the sum of its proper divisors (720946153475).

12256084608769 is an equidigital number, since it uses as much as digits as its factorization.

12256084608769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720946153474.

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 12256084608769 in words is "twelve trillion, two hundred fifty-six billion, eighty-four million, six hundred eight thousand, seven hundred sixty-nine".