12344421377 has 2 divisors, whose sum is σ = 12344421378. Its totient is φ = 12344421376.

The previous prime is 12344421311. The next prime is 12344421413. The reversal of 12344421377 is 77312444321.

12344421377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10613944576 + 1730476801 = 103024^2 + 41599^2 .

It is a cyclic number.

It is not a de Polignac number, because 12344421377 - 2²⁶ = 12277312513 is a prime.

It is a super-2 number, since 2×12344421377² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12344421377.

It is not a weakly prime, because it can be changed into another prime (12344421077) 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, 6172210688 + 6172210689.

It is an arithmetic number, because the mean of its divisors is an integer number (6172210689).

Almost surely, 2^12344421377 is an apocalyptic number.

It is an amenable number.

12344421377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344421377 is an equidigital number, since it uses as much as digits as its factorization.

12344421377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 38.

Adding to 12344421377 its reverse (77312444321), we get a palindrome (89656865698).

The spelling of 12344421377 in words is "twelve billion, three hundred forty-four million, four hundred twenty-one thousand, three hundred seventy-seven".