12102201021201 has 16 divisors (see below), whose sum is σ = 16142738572800. Its totient is φ = 8064899251328.

The previous prime is 12102201021173. The next prime is 12102201021221. The reversal of 12102201021201 is 10212010220121.

It is a cyclic number.

It is not a de Polignac number, because 12102201021201 - 2²² = 12102196826897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12102201021221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106648645 + ... + 106762061.

It is an arithmetic number, because the mean of its divisors is an integer number (1008921160800).

Almost surely, 2^{12102201021201} is an apocalyptic number.

It is an amenable number.

12102201021201 is a deficient number, since it is larger than the sum of its proper divisors (4040537551599).

12102201021201 is a wasteful number, since it uses less digits than its factorization.

12102201021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127368.

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

Adding to 12102201021201 its reverse (10212010220121), we get a palindrome (22314211241322).

The spelling of 12102201021201 in words is "twelve trillion, one hundred two billion, two hundred one million, twenty-one thousand, two hundred one".