9023212012 has 18 divisors (see below), whose sum is σ = 16009931868. Its totient is φ = 4449792672.

The previous prime is 9023211979. The next prime is 9023212019. The reversal of 9023212012 is 2102123209.

9023212012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9023212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190338 + ... + 232969.

Almost surely, 2^9023212012 is an apocalyptic number.

It is an amenable number.

9023212012 is a deficient number, since it is larger than the sum of its proper divisors (6986719856).

9023212012 is a wasteful number, since it uses less digits than its factorization.

9023212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423457 (or 423382 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 9023212012 is about 94990.5890707074. The cubic root of 9023212012 is about 2081.8705445704.

The spelling of 9023212012 in words is "nine billion, twenty-three million, two hundred twelve thousand, twelve".