12105300 has 36 divisors (see below), whose sum is σ = 35025536. Its totient is φ = 3228000.

The previous prime is 12105293. The next prime is 12105307. The reversal of 12105300 is 350121.

12105300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12105293) and next prime (12105307).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19876 + ... + 20475.

Almost surely, 2^12105300 is an apocalyptic number.

12105300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12105300 is an abundant number, since it is smaller than the sum of its proper divisors (22920236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12105300 is a wasteful number, since it uses less digits than its factorization.

12105300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40368 (or 40361 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 12105300 is about 3479.2671642172. The cubic root of 12105300 is about 229.6105570868.

Adding to 12105300 its reverse (350121), we get a palindrome (12455421).

The spelling of 12105300 in words is "twelve million, one hundred five thousand, three hundred".