22220112202212 has 12 divisors (see below), whose sum is σ = 51846928471856. Its totient is φ = 7406704067400.

The previous prime is 22220112202201. The next prime is 22220112202241. The reversal of 22220112202212 is 21220221102222.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925838008414 + ... + 925838008437.

Almost surely, 2^{22220112202212} is an apocalyptic number.

It is an amenable number.

22220112202212 is an abundant number, since it is smaller than the sum of its proper divisors (29626816269644).

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

22220112202212 is a wasteful number, since it uses less digits than its factorization.

22220112202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851676016858 (or 1851676016856 counting only the distinct ones).

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

Adding to 22220112202212 its reverse (21220221102222), we get a palindrome (43440333304434).

The spelling of 22220112202212 in words is "twenty-two trillion, two hundred twenty billion, one hundred twelve million, two hundred two thousand, two hundred twelve".