8199188712 has 320 divisors, whose sum is σ = 28406347200. Its totient is φ = 2172303360.

The previous prime is 8199188677. The next prime is 8199188773. The reversal of 8199188712 is 2178819918.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 1758288 + ... + 1762944.

It is an arithmetic number, because the mean of its divisors is an integer number (88769835).

Almost surely, 2^8199188712 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 8199188712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14203173600).

8199188712 is an abundant number, since it is smaller than the sum of its proper divisors (20207158488).

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

8199188712 is a wasteful number, since it uses less digits than its factorization.

8199188712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4705 counting only the distinct ones).

The product of its digits is 580608, while the sum is 54.

The square root of 8199188712 is about 90549.3716819725. The cubic root of 8199188712 is about 2016.4631695155.

The spelling of 8199188712 in words is "eight billion, one hundred ninety-nine million, one hundred eighty-eight thousand, seven hundred twelve".