12422241421 has 2 divisors, whose sum is σ = 12422241422. Its totient is φ = 12422241420.

The previous prime is 12422241413. The next prime is 12422241431. The reversal of 12422241421 is 12414222421.

12422241421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7225850025 + 5196391396 = 85005^2 + 72086^2 .

It is a cyclic number.

It is not a de Polignac number, because 12422241421 - 2³ = 12422241413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12422241431) 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, 6211120710 + 6211120711.

It is an arithmetic number, because the mean of its divisors is an integer number (6211120711).

Almost surely, 2^12422241421 is an apocalyptic number.

It is an amenable number.

12422241421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12422241421 is an equidigital number, since it uses as much as digits as its factorization.

12422241421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2048, while the sum is 25.

Adding to 12422241421 its reverse (12414222421), we get a palindrome (24836463842).

The spelling of 12422241421 in words is "twelve billion, four hundred twenty-two million, two hundred forty-one thousand, four hundred twenty-one".