8012321988 has 96 divisors (see below), whose sum is σ = 20552095872. Its totient is φ = 2409369600.

The previous prime is 8012321957. The next prime is 8012322029. The reversal of 8012321988 is 8891232108.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17380078 + ... + 17380538.

It is an arithmetic number, because the mean of its divisors is an integer number (214084332).

Almost surely, 2^8012321988 is an apocalyptic number.

It is an amenable number.

8012321988 is an abundant number, since it is smaller than the sum of its proper divisors (12539773884).

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

8012321988 is a wasteful number, since it uses less digits than its factorization.

8012321988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 8012321988 is about 89511.5746035115. The cubic root of 8012321988 is about 2001.0263055917.

The spelling of 8012321988 in words is "eight billion, twelve million, three hundred twenty-one thousand, nine hundred eighty-eight".