12111203 has 8 divisors (see below), whose sum is σ = 13076448. Its totient is φ = 11150784.

The previous prime is 12111199. The next prime is 12111217. The reversal of 12111203 is 30211121.

12111203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12111203 - 2² = 12111199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111263) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5375 + ... + 7287.

It is an arithmetic number, because the mean of its divisors is an integer number (1634556).

Almost surely, 2^12111203 is an apocalyptic number.

12111203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12111203 is a deficient number, since it is larger than the sum of its proper divisors (965245).

12111203 is a wasteful number, since it uses less digits than its factorization.

12111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12111203 is about 3480.1153716508. The cubic root of 12111203 is about 229.6478732724.

Adding to 12111203 its reverse (30211121), we get a palindrome (42322324).

The spelling of 12111203 in words is "twelve million, one hundred eleven thousand, two hundred three".