1224442143013 has 2 divisors, whose sum is σ = 1224442143014. Its totient is φ = 1224442143012.

The previous prime is 1224442143011. The next prime is 1224442143019. The reversal of 1224442143013 is 3103412444221.

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., 1168435607364 + 56006535649 = 1080942^2 + 236657^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224442143013 - 2¹ = 1224442143011 is a prime.

Together with 1224442143011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224442143011) 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, 612221071506 + 612221071507.

It is an arithmetic number, because the mean of its divisors is an integer number (612221071507).

Almost surely, 2^{1224442143013} is an apocalyptic number.

It is an amenable number.

1224442143013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224442143013 is an equidigital number, since it uses as much as digits as its factorization.

1224442143013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1224442143013 its reverse (3103412444221), we get a palindrome (4327854587234).

The spelling of 1224442143013 in words is "one trillion, two hundred twenty-four billion, four hundred forty-two million, one hundred forty-three thousand, thirteen".