12318427999 has 8 divisors (see below), whose sum is σ = 12345588720. Its totient is φ = 12291297600.

The previous prime is 12318427973. The next prime is 12318428069. The reversal of 12318427999 is 99972481321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12318427999 - 2¹³ = 12318419807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318427939) 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, 928684 + ... + 941854.

It is an arithmetic number, because the mean of its divisors is an integer number (1543198590).

Almost surely, 2^12318427999 is an apocalyptic number.

12318427999 is a deficient number, since it is larger than the sum of its proper divisors (27160721).

12318427999 is a wasteful number, since it uses less digits than its factorization.

12318427999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161.

The product of its digits is 1959552, while the sum is 55.

The spelling of 12318427999 in words is "twelve billion, three hundred eighteen million, four hundred twenty-seven thousand, nine hundred ninety-nine".