12276850813 has 2 divisors, whose sum is σ = 12276850814. Its totient is φ = 12276850812.

The previous prime is 12276850811. The next prime is 12276850843. The reversal of 12276850813 is 31805867221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9200262724 + 3076588089 = 95918^2 + 55467^2 .

It is a cyclic number.

It is not a de Polignac number, because 12276850813 - 2¹ = 12276850811 is a prime.

Together with 12276850811, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12276850813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12276850811) 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 as a sum of consecutive naturals, namely, 6138425406 + 6138425407.

It is an arithmetic number, because the mean of its divisors is an integer number (6138425407).

Almost surely, 2^12276850813 is an apocalyptic number.

It is an amenable number.

12276850813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12276850813 is an equidigital number, since it uses as much as digits as its factorization.

12276850813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 12276850813 in words is "twelve billion, two hundred seventy-six million, eight hundred fifty thousand, eight hundred thirteen".