12318916093 has 16 divisors (see below), whose sum is σ = 13523678784.
Its totient is φ = 11128440960.
The previous prime is 12318916069. The next prime is 12318916147. The reversal of 12318916093 is 39061981321.
It is a cyclic number.
It is not a de Polignac number, because 12318916093 - 213 = 12318907901 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12318916793) 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 15 ways as a sum of consecutive naturals, for example, 2027446 + ... + 2033512.
It is an arithmetic number, because the mean of its divisors is an integer number (845229924).
Almost surely, 212318916093 is an apocalyptic number.
It is an amenable number.
12318916093 is a deficient number, since it is larger than the sum of its proper divisors (1204762691).
12318916093 is a wasteful number, since it uses less digits than its factorization.
12318916093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7212.
The product of its (nonzero) digits is 69984, while the sum is 43.
The spelling of 12318916093 in words is "twelve billion, three hundred eighteen million, nine hundred sixteen thousand, ninety-three".