12100533 has 4 divisors (see below), whose sum is σ = 16134048. Its totient is φ = 8067020.

The previous prime is 12100531. The next prime is 12100537. The reversal of 12100533 is 33500121.

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.

It is a cyclic number.

It is not a de Polignac number, because 12100533 - 2¹ = 12100531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100531) 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, 2016753 + ... + 2016758.

It is an arithmetic number, because the mean of its divisors is an integer number (4033512).

Almost surely, 2^12100533 is an apocalyptic number.

It is an amenable number.

12100533 is a deficient number, since it is larger than the sum of its proper divisors (4033515).

12100533 is an equidigital number, since it uses as much as digits as its factorization.

12100533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033514.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 12100533 is about 3478.5820387049. The cubic root of 12100533 is about 229.5804133417.

Adding to 12100533 its reverse (33500121), we get a palindrome (45600654).

The spelling of 12100533 in words is "twelve million, one hundred thousand, five hundred thirty-three".