12648259229 has 2 divisors, whose sum is σ = 12648259230. Its totient is φ = 12648259228.

The previous prime is 12648259223. The next prime is 12648259241. The reversal of 12648259229 is 92295284621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10047055225 + 2601204004 = 100235^2 + 51002^2 .

It is a cyclic number.

It is not a de Polignac number, because 12648259229 - 2²⁸ = 12379823773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12648259223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6324129614 + 6324129615.

It is an arithmetic number, because the mean of its divisors is an integer number (6324129615).

Almost surely, 2^12648259229 is an apocalyptic number.

It is an amenable number.

12648259229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12648259229 is an equidigital number, since it uses as much as digits as its factorization.

12648259229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The spelling of 12648259229 in words is "twelve billion, six hundred forty-eight million, two hundred fifty-nine thousand, two hundred twenty-nine".