12681078750243 has 6 divisors (see below), whose sum is σ = 18317113750364. Its totient is φ = 8454052500156.

The previous prime is 12681078750233. The next prime is 12681078750247. The reversal of 12681078750243 is 34205787018621.

12681078750243 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 10 + 7 + 87 + 502 + 43 = 666.

It is not a de Polignac number, because 12681078750243 - 2⁵ = 12681078750211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12681078750243.

It is not an unprimeable number, because it can be changed into a prime (12681078750247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 704504375005 + ... + 704504375022.

Almost surely, 2^{12681078750243} is an apocalyptic number.

12681078750243 is a deficient number, since it is larger than the sum of its proper divisors (5636035000121).

12681078750243 is a wasteful number, since it uses less digits than its factorization.

12681078750243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409008750033 (or 1409008750030 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 12681078750243 in words is "twelve trillion, six hundred eighty-one billion, seventy-eight million, seven hundred fifty thousand, two hundred forty-three".