12801714217 has 4 divisors (see below), whose sum is σ = 12883253956. Its totient is φ = 12720174480.

The previous prime is 12801714203. The next prime is 12801714229. The reversal of 12801714217 is 71241710821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2041593856 + 10760120361 = 45184^2 + 103731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12801714217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12801714917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40769634 + ... + 40769947.

It is an arithmetic number, because the mean of its divisors is an integer number (3220813489).

Almost surely, 2^12801714217 is an apocalyptic number.

It is an amenable number.

12801714217 is a deficient number, since it is larger than the sum of its proper divisors (81539739).

12801714217 is an equidigital number, since it uses as much as digits as its factorization.

12801714217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81539738.

The product of its (nonzero) digits is 6272, while the sum is 34.

The spelling of 12801714217 in words is "twelve billion, eight hundred one million, seven hundred fourteen thousand, two hundred seventeen".