12100208 has 40 divisors (see below), whose sum is σ = 24748416. Its totient is φ = 5720000.

The previous prime is 12100201. The next prime is 12100211. The reversal of 12100208 is 80200121.

It is a junction number, because it is equal to n+sod(n) for n = 12100192 and 12100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48083 + ... + 48333.

Almost surely, 2^12100208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12374208).

12100208 is an abundant number, since it is smaller than the sum of its proper divisors (12648208).

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

12100208 is a wasteful number, since it uses less digits than its factorization.

12100208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 12100208 is about 3478.5353239546. The cubic root of 12100208 is about 229.5783579418.

Adding to 12100208 its reverse (80200121), we get a palindrome (92300329).

The spelling of 12100208 in words is "twelve million, one hundred thousand, two hundred eight".