12201112220212 has 24 divisors (see below), whose sum is σ = 21901168868040. Its totient is φ = 5944022384640.

The previous prime is 12201112220203. The next prime is 12201112220221. The reversal of 12201112220212 is 21202221110221.

12201112220212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12201112220203) and next prime (12201112220221).

It can be written as a sum of positive squares in 4 ways, for example, as 57099969936 + 12144012250276 = 238956^2 + 3484826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12201112220212.

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, 48246463 + ... + 48498694.

It is an arithmetic number, because the mean of its divisors is an integer number (912548702835).

Almost surely, 2^{12201112220212} is an apocalyptic number.

It is an amenable number.

12201112220212 is a deficient number, since it is larger than the sum of its proper divisors (9700056647828).

12201112220212 is a wasteful number, since it uses less digits than its factorization.

12201112220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96745971 (or 96745969 counting only the distinct ones).

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

Adding to 12201112220212 its reverse (21202221110221), we get a palindrome (33403333330433).

The spelling of 12201112220212 in words is "twelve trillion, two hundred one billion, one hundred twelve million, two hundred twenty thousand, two hundred twelve".