12012121002200 has 96 divisors (see below), whose sum is σ = 31115343490560. Its totient is φ = 4275106857600.

The previous prime is 12012121002199. The next prime is 12012121002239. The reversal of 12012121002200 is 220012121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57982292 + ... + 58189091.

It is an arithmetic number, because the mean of its divisors is an integer number (324118161360).

Almost surely, 2^{12012121002200} is an apocalyptic number.

12012121002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012121002200 is an abundant number, since it is smaller than the sum of its proper divisors (19103222488360).

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

12012121002200 is a wasteful number, since it uses less digits than its factorization.

12012121002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116171457 (or 116171448 counting only the distinct ones).

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

Adding to 12012121002200 its reverse (220012121021), we get a palindrome (12232133123221).

The spelling of 12012121002200 in words is "twelve trillion, twelve billion, one hundred twenty-one million, two thousand, two hundred".