2412172104217 has 2 divisors, whose sum is σ = 2412172104218. Its totient is φ = 2412172104216.

The previous prime is 2412172104179. The next prime is 2412172104343. The reversal of 2412172104217 is 7124012712142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2368533312016 + 43638792201 = 1539004^2 + 208899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2412172104217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2412172704217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1206086052108 + 1206086052109.

It is an arithmetic number, because the mean of its divisors is an integer number (1206086052109).

Almost surely, 2^{2412172104217} is an apocalyptic number.

It is an amenable number.

2412172104217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2412172104217 is an equidigital number, since it uses as much as digits as its factorization.

2412172104217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 34.

Adding to 2412172104217 its reverse (7124012712142), we get a palindrome (9536184816359).

The spelling of 2412172104217 in words is "two trillion, four hundred twelve billion, one hundred seventy-two million, one hundred four thousand, two hundred seventeen".