12100243 has 8 divisors (see below), whose sum is σ = 13110768. Its totient is φ = 11122944.

The previous prime is 12100229. The next prime is 12100247. The reversal of 12100243 is 34200121.

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 12100243 - 2⁵ = 12100211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100247) 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, 7546 + ... + 9007.

It is an arithmetic number, because the mean of its divisors is an integer number (1638846).

Almost surely, 2^12100243 is an apocalyptic number.

12100243 is a deficient number, since it is larger than the sum of its proper divisors (1010525).

12100243 is a wasteful number, since it uses less digits than its factorization.

12100243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16613.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12100243 is about 3478.5403548040. The cubic root of 12100243 is about 229.5785792943.

Adding to 12100243 its reverse (34200121), we get a palindrome (46300364).

The spelling of 12100243 in words is "twelve million, one hundred thousand, two hundred forty-three".