12170873285834 has 16 divisors (see below), whose sum is σ = 18260490172680. Its totient is φ = 6084043392000.

The previous prime is 12170873285833. The next prime is 12170873285887. The reversal of 12170873285834 is 43858237807121.

It can be written as a sum of positive squares in 4 ways, for example, as 11928755162809 + 242118123025 = 3453803^2 + 492055^2 .

It is not an unprimeable number, because it can be changed into a prime (12170873285833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201164492 + ... + 201224984.

Almost surely, 2^{12170873285834} is an apocalyptic number.

12170873285834 is a deficient number, since it is larger than the sum of its proper divisors (6089616886846).

12170873285834 is a wasteful number, since it uses less digits than its factorization.

12170873285834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81865.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 12170873285834 in words is "twelve trillion, one hundred seventy billion, eight hundred seventy-three million, two hundred eighty-five thousand, eight hundred thirty-four".