9216012 has 24 divisors (see below), whose sum is σ = 23158576. Its totient is φ = 2835648.

The previous prime is 9215971. The next prime is 9216019. The reversal of 9216012 is 2106129.

It is a self number, because there is not a number n which added to its sum of digits gives 9216012.

It is not an unprimeable number, because it can be changed into a prime (9216019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29383 + ... + 29694.

Almost surely, 2^9216012 is an apocalyptic number.

It is an amenable number.

9216012 is an abundant number, since it is smaller than the sum of its proper divisors (13942564).

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

9216012 is a wasteful number, since it uses less digits than its factorization.

9216012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59097 (or 59095 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 9216012 is about 3035.7885301845. The cubic root of 9216012 is about 209.6594025346.

The spelling of 9216012 in words is "nine million, two hundred sixteen thousand, twelve".