202112220012 has 24 divisors (see below), whose sum is σ = 471619610112. Its totient is φ = 67367250000.

The previous prime is 202112220007. The next prime is 202112220029. The reversal of 202112220012 is 210022211202.

It is a junction number, because it is equal to n+sod(n) for n = 202112219973 and 202112220000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189364 + ... + 663387.

It is an arithmetic number, because the mean of its divisors is an integer number (19650817088).

Almost surely, 2^202112220012 is an apocalyptic number.

It is an amenable number.

202112220012 is an abundant number, since it is smaller than the sum of its proper divisors (269507390100).

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

202112220012 is a wasteful number, since it uses less digits than its factorization.

202112220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872509 (or 872507 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202112220012 its reverse (210022211202), we get a palindrome (412134431214).

The spelling of 202112220012 in words is "two hundred two billion, one hundred twelve million, two hundred twenty thousand, twelve".