8122752572217 has 8 divisors (see below), whose sum is σ = 10915615005696. Its totient is φ = 5372529260112.

The previous prime is 8122752572203. The next prime is 8122752572239. The reversal of 8122752572217 is 7122752572218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8122752572217 - 2⁸ = 8122752571961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8122752572217.

It is not an unprimeable number, because it can be changed into a prime (8122752572287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10659779898 + ... + 10659780659.

It is an arithmetic number, because the mean of its divisors is an integer number (1364451875712).

Almost surely, 2^{8122752572217} is an apocalyptic number.

It is an amenable number.

8122752572217 is a deficient number, since it is larger than the sum of its proper divisors (2792862433479).

8122752572217 is a wasteful number, since it uses less digits than its factorization.

8122752572217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319560687.

The product of its digits is 2195200, while the sum is 51.

Subtracting from 8122752572217 its reverse (7122752572218), we obtain a palindrome (999999999999).

The spelling of 8122752572217 in words is "eight trillion, one hundred twenty-two billion, seven hundred fifty-two million, five hundred seventy-two thousand, two hundred seventeen".