13124424217 has 2 divisors, whose sum is σ = 13124424218. Its totient is φ = 13124424216.

The previous prime is 13124424199. The next prime is 13124424259. The reversal of 13124424217 is 71242442131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7213274761 + 5911149456 = 84931^2 + 76884^2 .

It is a cyclic number.

It is not a de Polignac number, because 13124424217 - 2¹¹ = 13124422169 is a prime.

It is a super-2 number, since 2×13124424217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13124424017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562212108 + 6562212109.

It is an arithmetic number, because the mean of its divisors is an integer number (6562212109).

Almost surely, 2^13124424217 is an apocalyptic number.

It is an amenable number.

13124424217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124424217 is an equidigital number, since it uses as much as digits as its factorization.

13124424217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

Adding to 13124424217 its reverse (71242442131), we get a palindrome (84366866348).

The spelling of 13124424217 in words is "thirteen billion, one hundred twenty-four million, four hundred twenty-four thousand, two hundred seventeen".