12116100 has 36 divisors (see below), whose sum is σ = 35056784. Its totient is φ = 3230880.

The previous prime is 12116081. The next prime is 12116107. The reversal of 12116100 is 161121.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (12116107) 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, 19894 + ... + 20493.

Almost surely, 2^12116100 is an apocalyptic number.

12116100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12116100 is an abundant number, since it is smaller than the sum of its proper divisors (22940684).

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

12116100 is a wasteful number, since it uses less digits than its factorization.

12116100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40404 (or 40397 counting only the distinct ones).

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

The square root of 12116100 is about 3480.8188691743. The cubic root of 12116100 is about 229.6788207651.

Adding to 12116100 its reverse (161121), we get a palindrome (12277221).

The spelling of 12116100 in words is "twelve million, one hundred sixteen thousand, one hundred".