12318640366 has 8 divisors (see below), whose sum is σ = 18478688760. Its totient is φ = 6159077448.

The previous prime is 12318640349. The next prime is 12318640379. The reversal of 12318640366 is 66304681321.

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

It is a super-2 number, since 2×12318640366² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49396 + ... + 164551.

It is an arithmetic number, because the mean of its divisors is an integer number (2309836095).

Almost surely, 2^12318640366 is an apocalyptic number.

12318640366 is a deficient number, since it is larger than the sum of its proper divisors (6160048394).

12318640366 is a wasteful number, since it uses less digits than its factorization.

12318640366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242738.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 12318640366 in words is "twelve billion, three hundred eighteen million, six hundred forty thousand, three hundred sixty-six".