12681063173 has 8 divisors (see below), whose sum is σ = 12843722880. Its totient is φ = 12518457120.

The previous prime is 12681063121. The next prime is 12681063209. The reversal of 12681063173 is 37136018621.

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 12681063173 - 2¹² = 12681059077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681063103) 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, 709361 + ... + 727017.

It is an arithmetic number, because the mean of its divisors is an integer number (1605465360).

Almost surely, 2^12681063173 is an apocalyptic number.

It is an amenable number.

12681063173 is a deficient number, since it is larger than the sum of its proper divisors (162659707).

12681063173 is an equidigital number, since it uses as much as digits as its factorization.

12681063173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26827.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 12681063173 in words is "twelve billion, six hundred eighty-one million, sixty-three thousand, one hundred seventy-three".