12102102201 has 32 divisors (see below), whose sum is σ = 19111991040. Its totient is φ = 6664847616.

The previous prime is 12102102157. The next prime is 12102102223. The reversal of 12102102201 is 10220120121.

It is a de Polignac number, because none of the positive numbers 2^k-12102102201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12102102241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321375 + ... + 357051.

It is an arithmetic number, because the mean of its divisors is an integer number (597249720).

Almost surely, 2^12102102201 is an apocalyptic number.

It is an amenable number.

12102102201 is a deficient number, since it is larger than the sum of its proper divisors (7009888839).

12102102201 is a wasteful number, since it uses less digits than its factorization.

12102102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36273.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12102102201 its reverse (10220120121), we get a palindrome (22322222322).

The spelling of 12102102201 in words is "twelve billion, one hundred two million, one hundred two thousand, two hundred one".