12100017 has 8 divisors (see below), whose sum is σ = 16982560. Its totient is φ = 7642080.

The previous prime is 12100003. The next prime is 12100057. The reversal of 12100017 is 71000121.

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

It is not a de Polignac number, because 12100017 - 2⁸ = 12099761 is a prime.

It is a super-2 number, since 2×12100017² = 292820822800578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12099975 and 12100011.

It is not an unprimeable number, because it can be changed into a prime (12100057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106084 + ... + 106197.

It is an arithmetic number, because the mean of its divisors is an integer number (2122820).

Almost surely, 2^12100017 is an apocalyptic number.

It is an amenable number.

12100017 is a deficient number, since it is larger than the sum of its proper divisors (4882543).

12100017 is a wasteful number, since it uses less digits than its factorization.

12100017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212303.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 12100017 is about 3478.5078697626. The cubic root of 12100017 is about 229.5771499819.

Adding to 12100017 its reverse (71000121), we get a palindrome (83100138).

The spelling of 12100017 in words is "twelve million, one hundred thousand, seventeen".