12203242 has 4 divisors (see below), whose sum is σ = 18304866. Its totient is φ = 6101620.

The previous prime is 12203237. The next prime is 12203251. The reversal of 12203242 is 24230221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9678321 + 2524921 = 3111^2 + 1589^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3050809 + ... + 3050812.

Almost surely, 2^12203242 is an apocalyptic number.

12203242 is a deficient number, since it is larger than the sum of its proper divisors (6101624).

12203242 is an equidigital number, since it uses as much as digits as its factorization.

12203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101623.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12203242 is about 3493.3138994370. The cubic root of 12203242 is about 230.2281416168.

Adding to 12203242 its reverse (24230221), we get a palindrome (36433463).

The spelling of 12203242 in words is "twelve million, two hundred three thousand, two hundred forty-two".