12016109 has 8 divisors (see below), whose sum is σ = 13761600. Its totient is φ = 10277856.

The previous prime is 12016099. The next prime is 12016129. The reversal of 12016109 is 90161021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12016109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016129) 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, 2417 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (1720200).

Almost surely, 2^12016109 is an apocalyptic number.

It is an amenable number.

12016109 is a deficient number, since it is larger than the sum of its proper divisors (1745491).

12016109 is an equidigital number, since it uses as much as digits as its factorization.

12016109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 12016109 is about 3466.4259692081. The cubic root of 12016109 is about 229.0452482685.

The spelling of 12016109 in words is "twelve million, sixteen thousand, one hundred nine".