12880047281 has 2 divisors, whose sum is σ = 12880047282. Its totient is φ = 12880047280.

The previous prime is 12880047277. The next prime is 12880047283. The reversal of 12880047281 is 18274008821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11239392256 + 1640655025 = 106016^2 + 40505^2 .

It is an emirp because it is prime and its reverse (18274008821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12880047281 - 2² = 12880047277 is a prime.

It is a super-2 number, since 2×12880047281² (a number of 21 digits) contains 22 as substring.

Together with 12880047283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12880047283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6440023640 + 6440023641.

It is an arithmetic number, because the mean of its divisors is an integer number (6440023641).

Almost surely, 2^12880047281 is an apocalyptic number.

It is an amenable number.

12880047281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12880047281 is an equidigital number, since it uses as much as digits as its factorization.

12880047281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57344, while the sum is 41.

The spelling of 12880047281 in words is "twelve billion, eight hundred eighty million, forty-seven thousand, two hundred eighty-one".