12026517847 has 2 divisors, whose sum is σ = 12026517848. Its totient is φ = 12026517846.

The previous prime is 12026517821. The next prime is 12026517871. The reversal of 12026517847 is 74871562021.

It is a strong prime.

It is an emirp because it is prime and its reverse (74871562021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12026517847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12026517947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013258923 + 6013258924.

It is an arithmetic number, because the mean of its divisors is an integer number (6013258924).

Almost surely, 2^12026517847 is an apocalyptic number.

12026517847 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026517847 is an equidigital number, since it uses as much as digits as its factorization.

12026517847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 12026517847 in words is "twelve billion, twenty-six million, five hundred seventeen thousand, eight hundred forty-seven".