12102117 has 8 divisors (see below), whose sum is σ = 16837824. Its totient is φ = 7717248.

The previous prime is 12102091. The next prime is 12102127. The reversal of 12102117 is 71120121.

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

It is not a de Polignac number, because 12102117 - 2¹¹ = 12100069 is a prime.

It is a super-2 number, since 2×12102117² = 292922471763378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102096 and 12102105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87628 + ... + 87765.

It is an arithmetic number, because the mean of its divisors is an integer number (2104728).

Almost surely, 2^12102117 is an apocalyptic number.

It is an amenable number.

12102117 is a deficient number, since it is larger than the sum of its proper divisors (4735707).

12102117 is a wasteful number, since it uses less digits than its factorization.

12102117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175419.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 12102117 is about 3478.8097102314. The cubic root of 12102117 is about 229.5904305177.

Adding to 12102117 its reverse (71120121), we get a palindrome (83222238).

The spelling of 12102117 in words is "twelve million, one hundred two thousand, one hundred seventeen".