12818234993 has 8 divisors (see below), whose sum is σ = 13503119520. Its totient is φ = 12134374560.

The previous prime is 12818234963. The next prime is 12818235037. The reversal of 12818234993 is 39943281821.

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 12818234993 - 2¹⁰ = 12818233969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12818234963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230255 + ... + 280452.

It is an arithmetic number, because the mean of its divisors is an integer number (1687889940).

Almost surely, 2^12818234993 is an apocalyptic number.

It is an amenable number.

12818234993 is a deficient number, since it is larger than the sum of its proper divisors (684884527).

12818234993 is a wasteful number, since it uses less digits than its factorization.

12818234993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512047.

The product of its digits is 746496, while the sum is 50.

The spelling of 12818234993 in words is "twelve billion, eight hundred eighteen million, two hundred thirty-four thousand, nine hundred ninety-three".