12526123417 has 2 divisors, whose sum is σ = 12526123418. Its totient is φ = 12526123416.

The previous prime is 12526123391. The next prime is 12526123427. The reversal of 12526123417 is 71432162521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11296288656 + 1229834761 = 106284^2 + 35069^2 .

It is a cyclic number.

It is not a de Polignac number, because 12526123417 - 2⁷ = 12526123289 is a prime.

It is not a weakly prime, because it can be changed into another prime (12526123427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263061708 + 6263061709.

It is an arithmetic number, because the mean of its divisors is an integer number (6263061709).

Almost surely, 2^12526123417 is an apocalyptic number.

It is an amenable number.

12526123417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12526123417 is an equidigital number, since it uses as much as digits as its factorization.

12526123417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

Adding to 12526123417 its reverse (71432162521), we get a palindrome (83958285938).

The spelling of 12526123417 in words is "twelve billion, five hundred twenty-six million, one hundred twenty-three thousand, four hundred seventeen".