12217102 has 8 divisors (see below), whose sum is σ = 18546696. Its totient is φ = 6034872.

The previous prime is 12217099. The next prime is 12217109. The reversal of 12217102 is 20171221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217109) 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 3 ways as a sum of consecutive naturals, for example, 36633 + ... + 36964.

It is an arithmetic number, because the mean of its divisors is an integer number (2318337).

Almost surely, 2^12217102 is an apocalyptic number.

12217102 is a deficient number, since it is larger than the sum of its proper divisors (6329594).

12217102 is an equidigital number, since it uses as much as digits as its factorization.

12217102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73682.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 12217102 is about 3495.2971261396. The cubic root of 12217102 is about 230.3152702325.

Adding to 12217102 its reverse (20171221), we get a palindrome (32388323).

The spelling of 12217102 in words is "twelve million, two hundred seventeen thousand, one hundred two".