12125203 has 4 divisors (see below), whose sum is σ = 12139848. Its totient is φ = 12110560.

The previous prime is 12125189. The next prime is 12125207. The reversal of 12125203 is 30252121.

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

It is a cyclic number.

It is not a de Polignac number, because 12125203 - 2⁵ = 12125171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12125207) 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, 6001 + ... + 7762.

It is an arithmetic number, because the mean of its divisors is an integer number (3034962).

Almost surely, 2^12125203 is an apocalyptic number.

12125203 is a deficient number, since it is larger than the sum of its proper divisors (14645).

12125203 is an equidigital number, since it uses as much as digits as its factorization.

12125203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14644.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12125203 is about 3482.1262182753. The cubic root of 12125203 is about 229.7363266984.

Adding to 12125203 its reverse (30252121), we get a palindrome (42377324).

It can be divided in two parts, 1212 and 5203, that multiplied together give a palindrome (6306036).

The spelling of 12125203 in words is "twelve million, one hundred twenty-five thousand, two hundred three".