12818542784 has 14 divisors (see below), whose sum is σ = 25436795964. Its totient is φ = 6409271360.

The previous prime is 12818542771. The next prime is 12818542787. The reversal of 12818542784 is 48724581821.

It is not an unprimeable number, because it can be changed into a prime (12818542787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100144802 + ... + 100144929.

Almost surely, 2^12818542784 is an apocalyptic number.

It is an amenable number.

12818542784 is a deficient number, since it is larger than the sum of its proper divisors (12618253180).

12818542784 is an equidigital number, since it uses as much as digits as its factorization.

12818542784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200289743 (or 200289733 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 50.

The spelling of 12818542784 in words is "twelve billion, eight hundred eighteen million, five hundred forty-two thousand, seven hundred eighty-four".