12173571349 has 8 divisors (see below), whose sum is σ = 12199228160. Its totient is φ = 12147934176.

The previous prime is 12173571343. The next prime is 12173571383. The reversal of 12173571349 is 94317537121.

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 12173571349 - 2⁹ = 12173570837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173571343) 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, 2139262 + ... + 2144944.

It is an arithmetic number, because the mean of its divisors is an integer number (1524903520).

Almost surely, 2^12173571349 is an apocalyptic number.

It is an amenable number.

12173571349 is a deficient number, since it is larger than the sum of its proper divisors (25656811).

12173571349 is an equidigital number, since it uses as much as digits as its factorization.

12173571349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819.

The product of its digits is 158760, while the sum is 43.

The spelling of 12173571349 in words is "twelve billion, one hundred seventy-three million, five hundred seventy-one thousand, three hundred forty-nine".