202222112012 has 6 divisors (see below), whose sum is σ = 353888696028. Its totient is φ = 101111056004.

The previous prime is 202222112011. The next prime is 202222112017. The reversal of 202222112012 is 210211222202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202222112011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277763998 + ... + 25277764005.

It is an arithmetic number, because the mean of its divisors is an integer number (58981449338).

Almost surely, 2^202222112012 is an apocalyptic number.

It is an amenable number.

202222112012 is a deficient number, since it is larger than the sum of its proper divisors (151666584016).

202222112012 is a wasteful number, since it uses less digits than its factorization.

202222112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555528007 (or 50555528005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202222112012 its reverse (210211222202), we get a palindrome (412433334214).

The spelling of 202222112012 in words is "two hundred two billion, two hundred twenty-two million, one hundred twelve thousand, twelve".