12272442131513 has 2 divisors, whose sum is σ = 12272442131514. Its totient is φ = 12272442131512.

The previous prime is 12272442131507. The next prime is 12272442131527. The reversal of 12272442131513 is 31513124427221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11281087365289 + 991354766224 = 3358733^2 + 995668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12272442131513 is a prime.

It is a super-2 number, since 2×12272442131513² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12272442131113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6136221065756 + 6136221065757.

It is an arithmetic number, because the mean of its divisors is an integer number (6136221065757).

Almost surely, 2^{12272442131513} is an apocalyptic number.

It is an amenable number.

12272442131513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12272442131513 is an equidigital number, since it uses as much as digits as its factorization.

12272442131513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

Adding to 12272442131513 its reverse (31513124427221), we get a palindrome (43785566558734).

The spelling of 12272442131513 in words is "twelve trillion, two hundred seventy-two billion, four hundred forty-two million, one hundred thirty-one thousand, five hundred thirteen".