12002203 has 4 divisors (see below), whose sum is σ = 12281368. Its totient is φ = 11723040.

The previous prime is 12002189. The next prime is 12002209. The reversal of 12002203 is 30220021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30220021 = 13 ⋅2324617.

It is a cyclic number.

It is not a de Polignac number, because 12002203 - 2¹³ = 11994011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002203.

It is not an unprimeable number, because it can be changed into a prime (12002209) 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, 139518 + ... + 139603.

It is an arithmetic number, because the mean of its divisors is an integer number (3070342).

Almost surely, 2^12002203 is an apocalyptic number.

12002203 is a deficient number, since it is larger than the sum of its proper divisors (279165).

12002203 is an equidigital number, since it uses as much as digits as its factorization.

12002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279164.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 12002203 is about 3464.4195762061. The cubic root of 12002203 is about 228.9568576838.

Adding to 12002203 its reverse (30220021), we get a palindrome (42222224).

It can be divided in two parts, 1200 and 2203, that added together give a triangular number (3403 = T₈₂).

The spelling of 12002203 in words is "twelve million, two thousand, two hundred three".