12201002200121 has 16 divisors (see below), whose sum is σ = 14550745497600. Its totient is φ = 10002974773968.

The previous prime is 12201002200117. The next prime is 12201002200157. The reversal of 12201002200121 is 12100220010221.

It is a cyclic number.

It is not a de Polignac number, because 12201002200121 - 2² = 12201002200117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201002200096 and 12201002200105.

It is not an unprimeable number, because it can be changed into a prime (12201002200021) 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, 3680060 + ... + 6159938.

It is an arithmetic number, because the mean of its divisors is an integer number (909421593600).

Almost surely, 2^{12201002200121} is an apocalyptic number.

It is an amenable number.

12201002200121 is a deficient number, since it is larger than the sum of its proper divisors (2349743297479).

12201002200121 is a wasteful number, since it uses less digits than its factorization.

12201002200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510468.

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

Adding to 12201002200121 its reverse (12100220010221), we get a palindrome (24301222210342).

The spelling of 12201002200121 in words is "twelve trillion, two hundred one billion, two million, two hundred thousand, one hundred twenty-one".