12170054217 has 8 divisors (see below), whose sum is σ = 16228123200. Its totient is φ = 8112677360.

The previous prime is 12170054209. The next prime is 12170054227. The reversal of 12170054217 is 71245007121.

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 12170054217 - 2³ = 12170054209 is a prime.

It is a super-2 number, since 2×12170054217² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12170054227) 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, 130509 + ... + 203402.

It is an arithmetic number, because the mean of its divisors is an integer number (2028515400).

Almost surely, 2^12170054217 is an apocalyptic number.

It is an amenable number.

12170054217 is a deficient number, since it is larger than the sum of its proper divisors (4058068983).

12170054217 is a wasteful number, since it uses less digits than its factorization.

12170054217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346063.

The product of its (nonzero) digits is 3920, while the sum is 30.

The spelling of 12170054217 in words is "twelve billion, one hundred seventy million, fifty-four thousand, two hundred seventeen".