12201200212 has 6 divisors (see below), whose sum is σ = 21352100378. Its totient is φ = 6100600104.

The previous prime is 12201200201. The next prime is 12201200239. The reversal of 12201200212 is 21200210221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12092081296 + 109118916 = 109964^2 + 10446^2 .

It is a super-2 number, since 2×12201200212² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12201200192 and 12201200201.

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 as a sum of consecutive naturals, namely, 1525150023 + ... + 1525150030.

Almost surely, 2^12201200212 is an apocalyptic number.

It is an amenable number.

12201200212 is a deficient number, since it is larger than the sum of its proper divisors (9150900166).

12201200212 is a wasteful number, since it uses less digits than its factorization.

12201200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050300057 (or 3050300055 counting only the distinct ones).

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

Adding to 12201200212 its reverse (21200210221), we get a palindrome (33401410433).

The spelling of 12201200212 in words is "twelve billion, two hundred one million, two hundred thousand, two hundred twelve".