12116664247 has 8 divisors (see below), whose sum is σ = 13051330560. Its totient is φ = 11215985880.

The previous prime is 12116664233. The next prime is 12116664299. The reversal of 12116664247 is 74246661121.

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

It is not a de Polignac number, because 12116664247 - 2¹¹ = 12116662199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116664047) 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, 8496247 + ... + 8497672.

It is an arithmetic number, because the mean of its divisors is an integer number (1631416320).

Almost surely, 2^12116664247 is an apocalyptic number.

12116664247 is a deficient number, since it is larger than the sum of its proper divisors (934666313).

12116664247 is a wasteful number, since it uses less digits than its factorization.

12116664247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16993973.

The product of its digits is 96768, while the sum is 40.

The spelling of 12116664247 in words is "twelve billion, one hundred sixteen million, six hundred sixty-four thousand, two hundred forty-seven".