12180207 has 8 divisors (see below), whose sum is σ = 17489584. Its totient is φ = 7495488.

The previous prime is 12180199. The next prime is 12180209. The reversal of 12180207 is 70208121.

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

It is not a de Polignac number, because 12180207 - 2³ = 12180199 is a prime.

It is a super-3 number, since 3×12180207³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180209) 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, 156118 + ... + 156195.

It is an arithmetic number, because the mean of its divisors is an integer number (2186198).

Almost surely, 2^12180207 is an apocalyptic number.

12180207 is a deficient number, since it is larger than the sum of its proper divisors (5309377).

12180207 is a wasteful number, since it uses less digits than its factorization.

12180207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312329.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 12180207 is about 3490.0153294792. The cubic root of 12180207 is about 230.0831898188.

Adding to 12180207 its reverse (70208121), we get a palindrome (82388328).

The spelling of 12180207 in words is "twelve million, one hundred eighty thousand, two hundred seven".