12786967243 has 2 divisors, whose sum is σ = 12786967244. Its totient is φ = 12786967242.

The previous prime is 12786967241. The next prime is 12786967309. The reversal of 12786967243 is 34276968721.

It is a weak prime.

It is an emirp because it is prime and its reverse (34276968721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12786967243 - 2¹ = 12786967241 is a prime.

Together with 12786967241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12786967241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6393483621 + 6393483622.

It is an arithmetic number, because the mean of its divisors is an integer number (6393483622).

Almost surely, 2^12786967243 is an apocalyptic number.

12786967243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12786967243 is an equidigital number, since it uses as much as digits as its factorization.

12786967243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

It can be divided in two parts, 127869 and 67243, that added together give a cube (195112 = 58³).

The spelling of 12786967243 in words is "twelve billion, seven hundred eighty-six million, nine hundred sixty-seven thousand, two hundred forty-three".