124222442213 has 2 divisors, whose sum is σ = 124222442214. Its totient is φ = 124222442212.

The previous prime is 124222442207. The next prime is 124222442231. The reversal of 124222442213 is 312244222421.

Together with next prime (124222442231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122579112769 + 1643329444 = 350113^2 + 40538^2 .

It is a cyclic number.

It is not a de Polignac number, because 124222442213 - 2¹² = 124222438117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124222442203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62111221106 + 62111221107.

It is an arithmetic number, because the mean of its divisors is an integer number (62111221107).

Almost surely, 2^124222442213 is an apocalyptic number.

It is an amenable number.

124222442213 is a deficient number, since it is larger than the sum of its proper divisors (1).

124222442213 is an equidigital number, since it uses as much as digits as its factorization.

124222442213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 29.

Adding to 124222442213 its reverse (312244222421), we get a palindrome (436466664634).

The spelling of 124222442213 in words is "one hundred twenty-four billion, two hundred twenty-two million, four hundred forty-two thousand, two hundred thirteen".