12090203 has 8 divisors (see below), whose sum is σ = 12924576. Its totient is φ = 11281600.

The previous prime is 12090173. The next prime is 12090229. The reversal of 12090203 is 30209021.

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 12090203 - 2¹⁰ = 12089179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12090263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468 + ... + 7353.

It is an arithmetic number, because the mean of its divisors is an integer number (1615572).

Almost surely, 2^12090203 is an apocalyptic number.

12090203 is a deficient number, since it is larger than the sum of its proper divisors (834373).

12090203 is a wasteful number, since it uses less digits than its factorization.

12090203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12885.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12090203 is about 3477.0969212836. The cubic root of 12090203 is about 229.5150652328.

Adding to 12090203 its reverse (30209021), we get a palindrome (42299224).

The spelling of 12090203 in words is "twelve million, ninety thousand, two hundred three".