12116017 has 4 divisors (see below), whose sum is σ = 12188736. Its totient is φ = 12043300.

The previous prime is 12116011. The next prime is 12116023. The reversal of 12116017 is 71061121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71061121 = 19 ⋅3740059.

It is an interprime number because it is at equal distance from previous prime (12116011) and next prime (12116023).

It is a cyclic number.

It is not a de Polignac number, because 12116017 - 2⁷ = 12115889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12115985 and 12116003.

It is not an unprimeable number, because it can be changed into a prime (12116011) 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, 36109 + ... + 36442.

It is an arithmetic number, because the mean of its divisors is an integer number (3047184).

Almost surely, 2^12116017 is an apocalyptic number.

It is an amenable number.

12116017 is a deficient number, since it is larger than the sum of its proper divisors (72719).

12116017 is an equidigital number, since it uses as much as digits as its factorization.

12116017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72718.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 12116017 is about 3480.8069466720. The cubic root of 12116017 is about 229.6782963008.

Adding to 12116017 its reverse (71061121), we get a palindrome (83177138).

The spelling of 12116017 in words is "twelve million, one hundred sixteen thousand, seventeen".