12452226949 has 2 divisors, whose sum is σ = 12452226950. Its totient is φ = 12452226948.

The previous prime is 12452226947. The next prime is 12452226989. The reversal of 12452226949 is 94962225421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8358530625 + 4093696324 = 91425^2 + 63982^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452226949 - 2¹ = 12452226947 is a prime.

Together with 12452226947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12452226899 and 12452226908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12452226947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226113474 + 6226113475.

It is an arithmetic number, because the mean of its divisors is an integer number (6226113475).

Almost surely, 2^12452226949 is an apocalyptic number.

It is an amenable number.

12452226949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452226949 is an equidigital number, since it uses as much as digits as its factorization.

12452226949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The spelling of 12452226949 in words is "twelve billion, four hundred fifty-two million, two hundred twenty-six thousand, nine hundred forty-nine".