12116605016705 has 8 divisors (see below), whose sum is σ = 16617058308672. Its totient is φ = 8308529154288.

The previous prime is 12116605016701. The next prime is 12116605016729. The reversal of 12116605016705 is 50761050661121.

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 12116605016705 - 2² = 12116605016701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12116605016701) 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, 173094357347 + ... + 173094357416.

It is an arithmetic number, because the mean of its divisors is an integer number (2077132288584).

Almost surely, 2^{12116605016705} is an apocalyptic number.

It is an amenable number.

12116605016705 is a deficient number, since it is larger than the sum of its proper divisors (4500453291967).

12116605016705 is an equidigital number, since it uses as much as digits as its factorization.

12116605016705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346188714775.

The product of its (nonzero) digits is 75600, while the sum is 41.

Adding to 12116605016705 its reverse (50761050661121), we get a palindrome (62877655677826).

The spelling of 12116605016705 in words is "twelve trillion, one hundred sixteen billion, six hundred five million, sixteen thousand, seven hundred five".