9021382782812 has 24 divisors (see below), whose sum is σ = 16782874706640. Its totient is φ = 4230976809600.

The previous prime is 9021382782787. The next prime is 9021382782817. The reversal of 9021382782812 is 2182872831209.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9021382782817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587627993 + ... + 587643344.

It is an arithmetic number, because the mean of its divisors is an integer number (699286446110).

Almost surely, 2^{9021382782812} is an apocalyptic number.

It is an amenable number.

9021382782812 is a deficient number, since it is larger than the sum of its proper divisors (7761491923828).

9021382782812 is a wasteful number, since it uses less digits than its factorization.

9021382782812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175271461 (or 1175271459 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 9021382782812 in words is "nine trillion, twenty-one billion, three hundred eighty-two million, seven hundred eighty-two thousand, eight hundred twelve".