9221202212012 has 24 divisors (see below), whose sum is σ = 18454857177120. Its totient is φ = 3949275358080.

The previous prime is 9221202211999. The next prime is 9221202212069. The reversal of 9221202212012 is 2102122021229.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111143087 + ... + 111226022.

It is an arithmetic number, because the mean of its divisors is an integer number (768952382380).

Almost surely, 2^{9221202212012} is an apocalyptic number.

It is an amenable number.

9221202212012 is an abundant number, since it is smaller than the sum of its proper divisors (9233654965108).

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

9221202212012 is a wasteful number, since it uses less digits than its factorization.

9221202212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222370601 (or 222370599 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 9221202212012 in words is "nine trillion, two hundred twenty-one billion, two hundred two million, two hundred twelve thousand, twelve".