12444030077 has 2 divisors, whose sum is σ = 12444030078. Its totient is φ = 12444030076.

The previous prime is 12444029989. The next prime is 12444030083. The reversal of 12444030077 is 77003044421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10069319716 + 2374710361 = 100346^2 + 48731^2 .

It is an emirp because it is prime and its reverse (77003044421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12444030077 - 2⁸ = 12444029821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12444030097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222015038 + 6222015039.

It is an arithmetic number, because the mean of its divisors is an integer number (6222015039).

Almost surely, 2^12444030077 is an apocalyptic number.

It is an amenable number.

12444030077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444030077 is an equidigital number, since it uses as much as digits as its factorization.

12444030077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 32.

Adding to 12444030077 its reverse (77003044421), we get a palindrome (89447074498).

The spelling of 12444030077 in words is "twelve billion, four hundred forty-four million, thirty thousand, seventy-seven".