12718784650068 has 36 divisors (see below), whose sum is σ = 36743155656480. Its totient is φ = 3633938471376.

The previous prime is 12718784649937. The next prime is 12718784650069. The reversal of 12718784650068 is 86005648781721.

It is a happy number.

12718784650068 is a `hidden beast` number, since 1 + 2 + 7 + 1 + 87 + 8 + 46 + 500 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 12718784649987 and 12718784650014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12718784650069) 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 11 ways as a sum of consecutive naturals, for example, 25235683578 + ... + 25235684081.

It is an arithmetic number, because the mean of its divisors is an integer number (1020643212680).

Almost surely, 2^{12718784650068} is an apocalyptic number.

12718784650068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12718784650068 is an abundant number, since it is smaller than the sum of its proper divisors (24024371006412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12718784650068 is a wasteful number, since it uses less digits than its factorization.

12718784650068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50471367676 (or 50471367671 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The spelling of 12718784650068 in words is "twelve trillion, seven hundred eighteen billion, seven hundred eighty-four million, six hundred fifty thousand, sixty-eight".