12004251171 has 8 divisors (see below), whose sum is σ = 17460729024. Its totient is φ = 7275303720.

The previous prime is 12004251169. The next prime is 12004251209. The reversal of 12004251171 is 17115240021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12004251171 - 2¹ = 12004251169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12004251121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181882561 + ... + 181882626.

It is an arithmetic number, because the mean of its divisors is an integer number (2182591128).

Almost surely, 2^12004251171 is an apocalyptic number.

12004251171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12004251171 is a deficient number, since it is larger than the sum of its proper divisors (5456477853).

12004251171 is a wasteful number, since it uses less digits than its factorization.

12004251171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363765201.

The product of its (nonzero) digits is 560, while the sum is 24.

Adding to 12004251171 its reverse (17115240021), we get a palindrome (29119491192).

It can be divided in two parts, 12004 and 251171, that added together give a triangular number (263175 = T₇₂₅).

The spelling of 12004251171 in words is "twelve billion, four million, two hundred fifty-one thousand, one hundred seventy-one".