12002022221212 has 12 divisors (see below), whose sum is σ = 21256593573096. Its totient is φ = 5928709771760.

The previous prime is 12002022221191. The next prime is 12002022221237. The reversal of 12002022221212 is 21212222020021.

It is a self number, because there is not a number n which added to its sum of digits gives 12002022221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18075334339 + ... + 18075335002.

It is an arithmetic number, because the mean of its divisors is an integer number (1771382797758).

Almost surely, 2^{12002022221212} is an apocalyptic number.

It is an amenable number.

12002022221212 is a deficient number, since it is larger than the sum of its proper divisors (9254571351884).

12002022221212 is a wasteful number, since it uses less digits than its factorization.

12002022221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36150669428 (or 36150669426 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12002022221212 its reverse (21212222020021), we get a palindrome (33214244241233).

The spelling of 12002022221212 in words is "twelve trillion, two billion, twenty-two million, two hundred twenty-one thousand, two hundred twelve".