12844470229 has 2 divisors, whose sum is σ = 12844470230. Its totient is φ = 12844470228.

The previous prime is 12844470203. The next prime is 12844470251. The reversal of 12844470229 is 92207444821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6460140625 + 6384329604 = 80375^2 + 79902^2 .

It is an emirp because it is prime and its reverse (92207444821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12844470229 - 2⁹ = 12844469717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12844470259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422235114 + 6422235115.

It is an arithmetic number, because the mean of its divisors is an integer number (6422235115).

Almost surely, 2^12844470229 is an apocalyptic number.

It is an amenable number.

12844470229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12844470229 is an equidigital number, since it uses as much as digits as its factorization.

12844470229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 12844470229 in words is "twelve billion, eight hundred forty-four million, four hundred seventy thousand, two hundred twenty-nine".