12200201212 has 24 divisors (see below), whose sum is σ = 21669610032. Its totient is φ = 6009091200.

The previous prime is 12200201173. The next prime is 12200201227. The reversal of 12200201212 is 21210200221.

It is a happy number.

It is a super-2 number, since 2×12200201212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200201192 and 12200201201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214287 + ... + 265177.

It is an arithmetic number, because the mean of its divisors is an integer number (902900418).

Almost surely, 2^12200201212 is an apocalyptic number.

It is an amenable number.

12200201212 is a deficient number, since it is larger than the sum of its proper divisors (9469408820).

12200201212 is a wasteful number, since it uses less digits than its factorization.

12200201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51789 (or 51787 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12200201212 its reverse (21210200221), we get a palindrome (33410401433).

Subtracting 12200201212 from its reverse (21210200221), we obtain a palindrome (9009999009).

The spelling of 12200201212 in words is "twelve billion, two hundred million, two hundred one thousand, two hundred twelve".