12100340 has 48 divisors (see below), whose sum is σ = 30576000. Its totient is φ = 3929472.

The previous prime is 12100327. The next prime is 12100343. The reversal of 12100340 is 4300121.

It is a happy number.

12100340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386 + ... + 4934.

It is an arithmetic number, because the mean of its divisors is an integer number (637000).

Almost surely, 2^12100340 is an apocalyptic number.

12100340 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 12100340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15288000).

12100340 is an abundant number, since it is smaller than the sum of its proper divisors (18475660).

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

12100340 is a wasteful number, since it uses less digits than its factorization.

12100340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584 (or 4582 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12100340 is about 3478.5542974057. The cubic root of 12100340 is about 229.5791927548.

Adding to 12100340 its reverse (4300121), we get a palindrome (16400461).

The spelling of 12100340 in words is "twelve million, one hundred thousand, three hundred forty".