12245684171 has 16 divisors (see below), whose sum is σ = 15069473280. Its totient is φ = 9711427200.

The previous prime is 12245684161. The next prime is 12245684177. The reversal of 12245684171 is 17148654221.

It is a cyclic number.

It is not a de Polignac number, because 12245684171 - 2¹⁸ = 12245422027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12245684177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865055 + ... + 879096.

It is an arithmetic number, because the mean of its divisors is an integer number (941842080).

Almost surely, 2^12245684171 is an apocalyptic number.

12245684171 is a deficient number, since it is larger than the sum of its proper divisors (2823789109).

12245684171 is a wasteful number, since it uses less digits than its factorization.

12245684171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744234.

The product of its digits is 107520, while the sum is 41.

The spelling of 12245684171 in words is "twelve billion, two hundred forty-five million, six hundred eighty-four thousand, one hundred seventy-one".