12201122012222 has 96 divisors (see below), whose sum is σ = 21692903155200. Its totient is φ = 5101970664960.

The previous prime is 12201122012141. The next prime is 12201122012269. The reversal of 12201122012222 is 22221022110221.

12201122012222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12201122012194 and 12201122012203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3682800038 + ... + 3682803350.

It is an arithmetic number, because the mean of its divisors is an integer number (225967741200).

Almost surely, 2^{12201122012222} is an apocalyptic number.

12201122012222 is a deficient number, since it is larger than the sum of its proper divisors (9491781142978).

12201122012222 is a wasteful number, since it uses less digits than its factorization.

12201122012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418 (or 6405 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12201122012222 its reverse (22221022110221), we get a palindrome (34422144122443).

The spelling of 12201122012222 in words is "twelve trillion, two hundred one billion, one hundred twenty-two million, twelve thousand, two hundred twenty-two".