12208101 has 16 divisors (see below), whose sum is σ = 17573760. Its totient is φ = 7515200.

The previous prime is 12208099. The next prime is 12208111. The reversal of 12208101 is 10180221.

It is a cyclic number.

It is not a de Polignac number, because 12208101 - 2¹ = 12208099 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12208111) 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, 1050 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (1098360).

Almost surely, 2^12208101 is an apocalyptic number.

It is an amenable number.

12208101 is a deficient number, since it is larger than the sum of its proper divisors (5365659).

12208101 is a wasteful number, since it uses less digits than its factorization.

12208101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6156.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 12208101 is about 3494.0093016476. The cubic root of 12208101 is about 230.2586944294.

Adding to 12208101 its reverse (10180221), we get a palindrome (22388322).

The spelling of 12208101 in words is "twelve million, two hundred eight thousand, one hundred one".