12618440068 has 24 divisors (see below), whose sum is σ = 24115855680. Its totient is φ = 5741867040.

The previous prime is 12618440063. The next prime is 12618440069. The reversal of 12618440068 is 86004481621.

It is a self number, because there is not a number n which added to its sum of digits gives 12618440068.

It is not an unprimeable number, because it can be changed into a prime (12618440063) 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, 1705198 + ... + 1712581.

It is an arithmetic number, because the mean of its divisors is an integer number (1004827320).

Almost surely, 2^12618440068 is an apocalyptic number.

It is an amenable number.

12618440068 is a deficient number, since it is larger than the sum of its proper divisors (11497415612).

12618440068 is a wasteful number, since it uses less digits than its factorization.

12618440068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417867 (or 3417865 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 12618440068 in words is "twelve billion, six hundred eighteen million, four hundred forty thousand, sixty-eight".