12442441044277 has 2 divisors, whose sum is σ = 12442441044278. Its totient is φ = 12442441044276.

The previous prime is 12442441044259. The next prime is 12442441044301. The reversal of 12442441044277 is 77244014424421.

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., 6582913986961 + 5859527057316 = 2565719^2 + 2420646^2 .

It is a cyclic number.

It is not a de Polignac number, because 12442441044277 - 2²³ = 12442432655669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442441044377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221220522138 + 6221220522139.

It is an arithmetic number, because the mean of its divisors is an integer number (6221220522139).

Almost surely, 2^{12442441044277} is an apocalyptic number.

It is an amenable number.

12442441044277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442441044277 is an equidigital number, since it uses as much as digits as its factorization.

12442441044277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1605632, while the sum is 46.

Adding to 12442441044277 its reverse (77244014424421), we get a palindrome (89686455468698).

The spelling of 12442441044277 in words is "twelve trillion, four hundred forty-two billion, four hundred forty-one million, forty-four thousand, two hundred seventy-seven".