1242224264317 has 2 divisors, whose sum is σ = 1242224264318. Its totient is φ = 1242224264316.

The previous prime is 1242224264279. The next prime is 1242224264429. The reversal of 1242224264317 is 7134624222421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871709791716 + 370514472601 = 933654^2 + 608699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242224264317 - 2²³ = 1242215875709 is a prime.

It is a super-2 number, since 2×1242224264317² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1242224264317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242224264917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621112132158 + 621112132159.

It is an arithmetic number, because the mean of its divisors is an integer number (621112132159).

Almost surely, 2^{1242224264317} is an apocalyptic number.

It is an amenable number.

1242224264317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242224264317 is an equidigital number, since it uses as much as digits as its factorization.

1242224264317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 40.

Adding to 1242224264317 its reverse (7134624222421), we get a palindrome (8376848486738).

The spelling of 1242224264317 in words is "one trillion, two hundred forty-two billion, two hundred twenty-four million, two hundred sixty-four thousand, three hundred seventeen".