812848884120 has 768 divisors, whose sum is σ = 3357710254080. Its totient is φ = 165946060800.

The previous prime is 812848884077. The next prime is 812848884137. The reversal of 812848884120 is 21488848218.

It is a happy number.

812848884120 is a `hidden beast` number, since 81 + 2 + 8 + 488 + 84 + 1 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 231513165 + ... + 231516675.

It is an arithmetic number, because the mean of its divisors is an integer number (4372018560).

Almost surely, 2^812848884120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812848884120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678855127040).

812848884120 is an abundant number, since it is smaller than the sum of its proper divisors (2544861369960).

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

812848884120 is a wasteful number, since it uses less digits than its factorization.

812848884120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 54.

The spelling of 812848884120 in words is "eight hundred twelve billion, eight hundred forty-eight million, eight hundred eighty-four thousand, one hundred twenty".