12402898289 has 2 divisors, whose sum is σ = 12402898290. Its totient is φ = 12402898288.

The previous prime is 12402898243. The next prime is 12402898351. The reversal of 12402898289 is 98289820421.

It is a happy number.

12402898289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10817664064 + 1585234225 = 104008^2 + 39815^2 .

It is a cyclic number.

It is not a de Polignac number, because 12402898289 - 2²⁸ = 12134462833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12402898289.

It is not a weakly prime, because it can be changed into another prime (12402898219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201449144 + 6201449145.

It is an arithmetic number, because the mean of its divisors is an integer number (6201449145).

Almost surely, 2^12402898289 is an apocalyptic number.

It is an amenable number.

12402898289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402898289 is an equidigital number, since it uses as much as digits as its factorization.

12402898289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 12402898289 in words is "twelve billion, four hundred two million, eight hundred ninety-eight thousand, two hundred eighty-nine".