12211200212 has 24 divisors (see below), whose sum is σ = 22918744800. Its totient is φ = 5675114016.

The previous prime is 12211200167. The next prime is 12211200217. The reversal of 12211200212 is 21200211221.

It is a super-2 number, since 2×12211200212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211200217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511762 + ... + 1519817.

It is an arithmetic number, because the mean of its divisors is an integer number (954947700).

Almost surely, 2^12211200212 is an apocalyptic number.

It is an amenable number.

12211200212 is a deficient number, since it is larger than the sum of its proper divisors (10707544588).

12211200212 is a wasteful number, since it uses less digits than its factorization.

12211200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031655 (or 3031653 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12211200212 its reverse (21200211221), we get a palindrome (33411411433).

It can be divided in two parts, 12211200 and 212, that multiplied together give a square (2588774400 = 50880²).

The spelling of 12211200212 in words is "twelve billion, two hundred eleven million, two hundred thousand, two hundred twelve".