12042203 has 4 divisors (see below), whose sum is σ = 12114480. Its totient is φ = 11969928.

The previous prime is 12042197. The next prime is 12042241. The reversal of 12042203 is 30224021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30224021 = 139 ⋅217439.

It is a cyclic number.

It is not a de Polignac number, because 12042203 - 2¹⁰ = 12041179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35888 + ... + 36221.

It is an arithmetic number, because the mean of its divisors is an integer number (3028620).

Almost surely, 2^12042203 is an apocalyptic number.

12042203 is a deficient number, since it is larger than the sum of its proper divisors (72277).

12042203 is an equidigital number, since it uses as much as digits as its factorization.

12042203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72276.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 12042203 is about 3470.1877470823. The cubic root of 12042203 is about 229.2109254610.

Adding to 12042203 its reverse (30224021), we get a palindrome (42266224).

The spelling of 12042203 in words is "twelve million, forty-two thousand, two hundred three".