9382821212 has 24 divisors (see below), whose sum is σ = 17236907520. Its totient is φ = 4463120880.

The previous prime is 9382821193. The next prime is 9382821241. The reversal of 9382821212 is 2121282839.

It is a happy number.

It is a congruent number.

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, 633938 + ... + 648569.

It is an arithmetic number, because the mean of its divisors is an integer number (718204480).

Almost surely, 2^9382821212 is an apocalyptic number.

It is an amenable number.

9382821212 is a deficient number, since it is larger than the sum of its proper divisors (7854086308).

9382821212 is a wasteful number, since it uses less digits than its factorization.

9382821212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282601 (or 1282599 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 9382821212 is about 96864.9638001274. The cubic root of 9382821212 is about 2109.1678705506.

The spelling of 9382821212 in words is "nine billion, three hundred eighty-two million, eight hundred twenty-one thousand, two hundred twelve".