12100233 has 4 divisors (see below), whose sum is σ = 16133648. Its totient is φ = 8066820.

The previous prime is 12100229. The next prime is 12100247. The reversal of 12100233 is 33200121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33200121 = 3 ⋅11066707.

It is not a de Polignac number, because 12100233 - 2² = 12100229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016703 + ... + 2016708.

It is an arithmetic number, because the mean of its divisors is an integer number (4033412).

Almost surely, 2^12100233 is an apocalyptic number.

It is an amenable number.

12100233 is a deficient number, since it is larger than the sum of its proper divisors (4033415).

12100233 is an equidigital number, since it uses as much as digits as its factorization.

12100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033414.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12100233 is about 3478.5389174192. The cubic root of 12100233 is about 229.5785160508.

Adding to 12100233 its reverse (33200121), we get a palindrome (45300354).

The spelling of 12100233 in words is "twelve million, one hundred thousand, two hundred thirty-three".