22120200212 has 36 divisors (see below), whose sum is σ = 42566481888. Its totient is φ = 10050598800.

The previous prime is 22120200211. The next prime is 22120200241. The reversal of 22120200212 is 21200202122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1430273 + ... + 1445655.

Almost surely, 2^22120200212 is an apocalyptic number.

22120200212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22120200212 is a deficient number, since it is larger than the sum of its proper divisors (20446281676).

22120200212 is a wasteful number, since it uses less digits than its factorization.

22120200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18380 (or 18367 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22120200212 its reverse (21200202122), we get a palindrome (43320402334).

The spelling of 22120200212 in words is "twenty-two billion, one hundred twenty million, two hundred thousand, two hundred twelve".