12200012122012 has 24 divisors (see below), whose sum is σ = 25082542405872. Its totient is φ = 5118886204800.

The previous prime is 12200012122009. The next prime is 12200012122043. The reversal of 12200012122012 is 21022121000221.

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 in 7 ways as a sum of consecutive naturals, for example, 10664345689 + ... + 10664346832.

It is an arithmetic number, because the mean of its divisors is an integer number (1045105933578).

Almost surely, 2^{12200012122012} is an apocalyptic number.

It is an amenable number.

12200012122012 is an abundant number, since it is smaller than the sum of its proper divisors (12882530283860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12200012122012 is a wasteful number, since it uses less digits than its factorization.

12200012122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21328692549 (or 21328692547 counting only the distinct ones).

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

Adding to 12200012122012 its reverse (21022121000221), we get a palindrome (33222133122233).

The spelling of 12200012122012 in words is "twelve trillion, two hundred billion, twelve million, one hundred twenty-two thousand, twelve".