8021152512 has 54 divisors (see below), whose sum is σ = 23126966772. Its totient is φ = 2673716736.

The previous prime is 8021152463. The next prime is 8021152523. The reversal of 8021152512 is 2152511208.

It is a happy number.

8021152512 is a `hidden beast` number, since 80 + 21 + 1 + 52 + 512 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1738398 + ... + 1743005.

Almost surely, 2^8021152512 is an apocalyptic number.

It is an amenable number.

8021152512 is an abundant number, since it is smaller than the sum of its proper divisors (15105814260).

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

8021152512 is a wasteful number, since it uses less digits than its factorization.

8021152512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481425 (or 3481408 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 8021152512 is about 89560.8871773834. The cubic root of 8021152512 is about 2001.7611580393.

The spelling of 8021152512 in words is "eight billion, twenty-one million, one hundred fifty-two thousand, five hundred twelve".