12110399966 has 8 divisors (see below), whose sum is σ = 20760685680. Its totient is φ = 5190171408.

The previous prime is 12110399963. The next prime is 12110399981. The reversal of 12110399966 is 66999301121.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12110399966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110399963) 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, 432514271 + ... + 432514298.

It is an arithmetic number, because the mean of its divisors is an integer number (2595085710).

Almost surely, 2^12110399966 is an apocalyptic number.

12110399966 is a deficient number, since it is larger than the sum of its proper divisors (8650285714).

12110399966 is an equidigital number, since it uses as much as digits as its factorization.

12110399966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865028578.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 12110399966 in words is "twelve billion, one hundred ten million, three hundred ninety-nine thousand, nine hundred sixty-six".