12100844 has 36 divisors (see below), whose sum is σ = 24907176. Its totient is φ = 5128704.

The previous prime is 12100843. The next prime is 12100849. The reversal of 12100844 is 44800121.

12100844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12100843) 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, 20684 + ... + 21260.

It is an arithmetic number, because the mean of its divisors is an integer number (691866).

Almost surely, 2^12100844 is an apocalyptic number.

12100844 is a gapful number since it is divisible by the number (14) 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 12100844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12453588).

12100844 is an abundant number, since it is smaller than the sum of its proper divisors (12806332).

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

12100844 is a wasteful number, since it uses less digits than its factorization.

12100844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 12100844 is about 3478.6267405400. The cubic root of 12100844 is about 229.5823801668.

Adding to 12100844 its reverse (44800121), we get a palindrome (56900965).

The spelling of 12100844 in words is "twelve million, one hundred thousand, eight hundred forty-four".