12020121002200 has 48 divisors (see below), whose sum is σ = 27947406374280. Its totient is φ = 4807940866560.

The previous prime is 12020121002173. The next prime is 12020121002213. The reversal of 12020121002200 is 220012102021.

It is a happy number.

12020121002200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8612464 + ... + 9910336.

Almost surely, 2^{12020121002200} is an apocalyptic number.

12020121002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020121002200 is an abundant number, since it is smaller than the sum of its proper divisors (15927285372080).

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

12020121002200 is a wasteful number, since it uses less digits than its factorization.

12020121002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344196 (or 1344187 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020121002200 its reverse (220012102021), we get a palindrome (12240133104221).

The spelling of 12020121002200 in words is "twelve trillion, twenty billion, one hundred twenty-one million, two thousand, two hundred".