12000201221212 has 6 divisors (see below), whose sum is σ = 21000352137128. Its totient is φ = 6000100610604.

The previous prime is 12000201221201. The next prime is 12000201221321. The reversal of 12000201221212 is 21212210200021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500025152648 + ... + 1500025152655.

Almost surely, 2^{12000201221212} is an apocalyptic number.

It is an amenable number.

12000201221212 is a deficient number, since it is larger than the sum of its proper divisors (9000150915916).

12000201221212 is a wasteful number, since it uses less digits than its factorization.

12000201221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000050305307 (or 3000050305305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12000201221212 its reverse (21212210200021), we get a palindrome (33212411421233).

The spelling of 12000201221212 in words is "twelve trillion, two hundred one million, two hundred twenty-one thousand, two hundred twelve".