12444144121349 has 2 divisors, whose sum is σ = 12444144121350. Its totient is φ = 12444144121348.

The previous prime is 12444144121301. The next prime is 12444144121471. The reversal of 12444144121349 is 94312144144421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12432802936324 + 11341185025 = 3526018^2 + 106495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12444144121349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12444144151349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222072060674 + 6222072060675.

It is an arithmetic number, because the mean of its divisors is an integer number (6222072060675).

Almost surely, 2^{12444144121349} is an apocalyptic number.

It is an amenable number.

12444144121349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12444144121349 is an equidigital number, since it uses as much as digits as its factorization.

12444144121349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 44.

The spelling of 12444144121349 in words is "twelve trillion, four hundred forty-four billion, one hundred forty-four million, one hundred twenty-one thousand, three hundred forty-nine".