9042217812 has 24 divisors (see below), whose sum is σ = 23442787200. Its totient is φ = 3014072568.

The previous prime is 9042217759. The next prime is 9042217813. The reversal of 9042217812 is 2187122409.

9042217812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042217813) 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 7 ways as a sum of consecutive naturals, for example, 41862012 + ... + 41862227.

It is an arithmetic number, because the mean of its divisors is an integer number (976782800).

Almost surely, 2^9042217812 is an apocalyptic number.

It is an amenable number.

9042217812 is an abundant number, since it is smaller than the sum of its proper divisors (14400569388).

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

9042217812 is a wasteful number, since it uses less digits than its factorization.

9042217812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83724252 (or 83724244 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 9042217812 is about 95090.5768833064. The cubic root of 9042217812 is about 2083.3312168483.

The spelling of 9042217812 in words is "nine billion, forty-two million, two hundred seventeen thousand, eight hundred twelve".