12110100 has 72 divisors (see below), whose sum is σ = 36018528. Its totient is φ = 3139200.

The previous prime is 12110099. The next prime is 12110101. The reversal of 12110100 is 101121.

It is an interprime number because it is at equal distance from previous prime (12110099) and next prime (12110101).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10555 + ... + 11645.

Almost surely, 2^12110100 is an apocalyptic number.

12110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18009264).

12110100 is an abundant number, since it is smaller than the sum of its proper divisors (23908428).

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

12110100 is a wasteful number, since it uses less digits than its factorization.

12110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 12110100 is about 3479.9568962848. The cubic root of 12110100 is about 229.6409015099.

Adding to 12110100 its reverse (101121), we get a palindrome (12211221).

The spelling of 12110100 in words is "twelve million, one hundred ten thousand, one hundred".