12202021121212 has 24 divisors (see below), whose sum is σ = 23995947892896. Its totient is φ = 5386845444288.

The previous prime is 12202021121201. The next prime is 12202021121263. The reversal of 12202021121212 is 21212112020221.

It is a self number, because there is not a number n which added to its sum of digits gives 12202021121212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5101178203 + ... + 5101180594.

It is an arithmetic number, because the mean of its divisors is an integer number (999831162204).

Almost surely, 2^{12202021121212} is an apocalyptic number.

It is an amenable number.

12202021121212 is a deficient number, since it is larger than the sum of its proper divisors (11793926771684).

12202021121212 is a wasteful number, since it uses less digits than its factorization.

12202021121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202358837 (or 10202358835 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12202021121212 its reverse (21212112020221), we get a palindrome (33414133141433).

The spelling of 12202021121212 in words is "twelve trillion, two hundred two billion, twenty-one million, one hundred twenty-one thousand, two hundred twelve".