12882228869 has 2 divisors, whose sum is σ = 12882228870. Its totient is φ = 12882228868.

The previous prime is 12882228797. The next prime is 12882228899. The reversal of 12882228869 is 96882228821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11867487844 + 1014741025 = 108938^2 + 31855^2 .

It is a cyclic number.

It is not a de Polignac number, because 12882228869 - 2²⁴ = 12865451653 is a prime.

It is a super-2 number, since 2×12882228869² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12882228899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6441114434 + 6441114435.

It is an arithmetic number, because the mean of its divisors is an integer number (6441114435).

Almost surely, 2^12882228869 is an apocalyptic number.

It is an amenable number.

12882228869 is a deficient number, since it is larger than the sum of its proper divisors (1).

12882228869 is an equidigital number, since it uses as much as digits as its factorization.

12882228869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3538944, while the sum is 56.

The spelling of 12882228869 in words is "twelve billion, eight hundred eighty-two million, two hundred twenty-eight thousand, eight hundred sixty-nine".