12318780099 has 8 divisors (see below), whose sum is σ = 16425632080. Its totient is φ = 8212224096.

The previous prime is 12318780083. The next prime is 12318780113. The reversal of 12318780099 is 99008781321.

12318780099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 110990²-1.

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

It is not a de Polignac number, because 12318780099 - 2⁴ = 12318780083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12318784099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55497 + ... + 166485.

It is an arithmetic number, because the mean of its divisors is an integer number (2053204010).

Almost surely, 2^12318780099 is an apocalyptic number.

12318780099 is a deficient number, since it is larger than the sum of its proper divisors (4106851981).

12318780099 is a wasteful number, since it uses less digits than its factorization.

12318780099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147989.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 12318780099 in words is "twelve billion, three hundred eighteen million, seven hundred eighty thousand, ninety-nine".