12217540110065 has 8 divisors (see below), whose sum is σ = 14661105944640. Its totient is φ = 9773993546352.

The previous prime is 12217540110031. The next prime is 12217540110077. The reversal of 12217540110065 is 56001104571221.

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

It is a cyclic number.

It is not a de Polignac number, because 12217540110065 - 2¹⁰ = 12217540109041 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3384155 + ... + 5990624.

It is an arithmetic number, because the mean of its divisors is an integer number (1832638243080).

Almost surely, 2^{12217540110065} is an apocalyptic number.

It is an amenable number.

12217540110065 is a deficient number, since it is larger than the sum of its proper divisors (2443565834575).

12217540110065 is an equidigital number, since it uses as much as digits as its factorization.

12217540110065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635431.

The product of its (nonzero) digits is 16800, while the sum is 35.

Adding to 12217540110065 its reverse (56001104571221), we get a palindrome (68218644681286).

The spelling of 12217540110065 in words is "twelve trillion, two hundred seventeen billion, five hundred forty million, one hundred ten thousand, sixty-five".