12107100 has 36 divisors (see below), whose sum is σ = 35030744. Its totient is φ = 3228480.

The previous prime is 12107099. The next prime is 12107107. The reversal of 12107100 is 170121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12107107) 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, 19879 + ... + 20478.

Almost surely, 2^12107100 is an apocalyptic number.

12107100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12107100 is an abundant number, since it is smaller than the sum of its proper divisors (22923644).

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

12107100 is a wasteful number, since it uses less digits than its factorization.

12107100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40374 (or 40367 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 12107100 is about 3479.5258297647. The cubic root of 12107100 is about 229.6219371853.

Adding to 12107100 its reverse (170121), we get a palindrome (12277221).

The spelling of 12107100 in words is "twelve million, one hundred seven thousand, one hundred".