201222112012 has 6 divisors (see below), whose sum is σ = 352138696028. Its totient is φ = 100611056004.

The previous prime is 201222112009. The next prime is 201222112027. The reversal of 201222112012 is 210211222102.

It is a happy number.

201222112012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25152763998 + ... + 25152764005.

Almost surely, 2^201222112012 is an apocalyptic number.

It is an amenable number.

201222112012 is a deficient number, since it is larger than the sum of its proper divisors (150916584016).

201222112012 is a wasteful number, since it uses less digits than its factorization.

201222112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50305528007 (or 50305528005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201222112012 its reverse (210211222102), we get a palindrome (411433334114).

The spelling of 201222112012 in words is "two hundred one billion, two hundred twenty-two million, one hundred twelve thousand, twelve".