22120212202212 has 24 divisors (see below), whose sum is σ = 51766985242336. Its totient is φ = 7351524528768.

The previous prime is 22120212202183. The next prime is 22120212202213. The reversal of 22120212202212 is 21220221202122.

It is not an unprimeable number, because it can be changed into a prime (22120212202213) 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 7 ways as a sum of consecutive naturals, for example, 2734938118 + ... + 2734946205.

Almost surely, 2^{22120212202212} is an apocalyptic number.

It is an amenable number.

22120212202212 is an abundant number, since it is smaller than the sum of its proper divisors (29646773040124).

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

22120212202212 is a wasteful number, since it uses less digits than its factorization.

22120212202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469884667 (or 5469884665 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22120212202212 its reverse (21220221202122), we get a palindrome (43340433404334).

The spelling of 22120212202212 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred two thousand, two hundred twelve".