12128844341 has 2 divisors, whose sum is σ = 12128844342. Its totient is φ = 12128844340.

The previous prime is 12128844337. The next prime is 12128844419. The reversal of 12128844341 is 14344882121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11404104100 + 724740241 = 106790^2 + 26921^2 .

It is a cyclic number.

It is not a de Polignac number, because 12128844341 - 2² = 12128844337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12128844295 and 12128844304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12128844331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6064422170 + 6064422171.

It is an arithmetic number, because the mean of its divisors is an integer number (6064422171).

Almost surely, 2^12128844341 is an apocalyptic number.

It is an amenable number.

12128844341 is a deficient number, since it is larger than the sum of its proper divisors (1).

12128844341 is an equidigital number, since it uses as much as digits as its factorization.

12128844341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49152, while the sum is 38.

The spelling of 12128844341 in words is "twelve billion, one hundred twenty-eight million, eight hundred forty-four thousand, three hundred forty-one".