12168818611 has 8 divisors (see below), whose sum is σ = 12310207200. Its totient is φ = 12027533760.

The previous prime is 12168818591. The next prime is 12168818621. The reversal of 12168818611 is 11681886121.

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 12168818611 - 2⁵ = 12168818579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12168818621) 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, 223905 + ... + 272893.

It is an arithmetic number, because the mean of its divisors is an integer number (1538775900).

Almost surely, 2^12168818611 is an apocalyptic number.

12168818611 is a deficient number, since it is larger than the sum of its proper divisors (141388589).

12168818611 is an equidigital number, since it uses as much as digits as its factorization.

12168818611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51869.

The product of its digits is 36864, while the sum is 43.

The spelling of 12168818611 in words is "twelve billion, one hundred sixty-eight million, eight hundred eighteen thousand, six hundred eleven".