12318777706 has 16 divisors (see below), whose sum is σ = 19589760000. Its totient is φ = 5799597840.

The previous prime is 12318777703. The next prime is 12318777707. The reversal of 12318777706 is 60777781321.

It is a self number, because there is not a number n which added to its sum of digits gives 12318777706.

It is not an unprimeable number, because it can be changed into a prime (12318777703) 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, 2682706 + ... + 2687293.

It is an arithmetic number, because the mean of its divisors is an integer number (1224360000).

Almost surely, 2^12318777706 is an apocalyptic number.

12318777706 is a deficient number, since it is larger than the sum of its proper divisors (7270982294).

12318777706 is a wasteful number, since it uses less digits than its factorization.

12318777706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370069.

The product of its (nonzero) digits is 691488, while the sum is 49.

The spelling of 12318777706 in words is "twelve billion, three hundred eighteen million, seven hundred seventy-seven thousand, seven hundred six".