12103132 has 12 divisors (see below), whose sum is σ = 21528136. Its totient is φ = 5952240.

The previous prime is 12103127. The next prime is 12103139. The reversal of 12103132 is 23130121.

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 3 ways as a sum of consecutive naturals, for example, 24558 + ... + 25045.

Almost surely, 2^12103132 is an apocalyptic number.

It is an amenable number.

12103132 is a deficient number, since it is larger than the sum of its proper divisors (9425004).

12103132 is a wasteful number, since it uses less digits than its factorization.

12103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49668 (or 49666 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12103132 is about 3478.9555904035. The cubic root of 12103132 is about 229.5968488926.

Adding to 12103132 its reverse (23130121), we get a palindrome (35233253).

The spelling of 12103132 in words is "twelve million, one hundred three thousand, one hundred thirty-two".