12318613478 has 8 divisors (see below), whose sum is σ = 18580008720. Its totient is φ = 6125277240.

The previous prime is 12318613477. The next prime is 12318613511. The reversal of 12318613478 is 87431681321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318613471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17014298 + ... + 17015021.

It is an arithmetic number, because the mean of its divisors is an integer number (2322501090).

Almost surely, 2^12318613478 is an apocalyptic number.

12318613478 is a deficient number, since it is larger than the sum of its proper divisors (6261395242).

12318613478 is a wasteful number, since it uses less digits than its factorization.

12318613478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34029502.

The product of its digits is 193536, while the sum is 44.

The spelling of 12318613478 in words is "twelve billion, three hundred eighteen million, six hundred thirteen thousand, four hundred seventy-eight".