12103133 has 32 divisors (see below), whose sum is σ = 15863040. Its totient is φ = 8985600.

The previous prime is 12103127. The next prime is 12103139. The reversal of 12103133 is 33130121.

It is an interprime number because it is at equal distance from previous prime (12103127) and next prime (12103139).

It is a cyclic number.

It is not a de Polignac number, because 12103133 - 2¹⁴ = 12086749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119783 + ... + 119883.

It is an arithmetic number, because the mean of its divisors is an integer number (495720).

It is a self-describing number.

Almost surely, 2^12103133 is an apocalyptic number.

It is an amenable number.

12103133 is a deficient number, since it is larger than the sum of its proper divisors (3759907).

12103133 is a wasteful number, since it uses less digits than its factorization.

12103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 12103133 is about 3478.9557341248. The cubic root of 12103133 is about 229.5968552160.

Adding to 12103133 its reverse (33130121), we get a palindrome (45233254).

The spelling of 12103133 in words is "twelve million, one hundred three thousand, one hundred thirty-three".