80120128008 has 32 divisors (see below), whose sum is σ = 200317536000. Its totient is φ = 26704413888.

The previous prime is 80120128003. The next prime is 80120128057. The reversal of 80120128008 is 80082102108.

It is not an unprimeable number, because it can be changed into a prime (80120128003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154185 + ... + 428967.

It is an arithmetic number, because the mean of its divisors is an integer number (6259923000).

Almost surely, 2^80120128008 is an apocalyptic number.

It is an amenable number.

80120128008 is an abundant number, since it is smaller than the sum of its proper divisors (120197407992).

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

80120128008 is a wasteful number, since it uses less digits than its factorization.

80120128008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286941 (or 286937 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The spelling of 80120128008 in words is "eighty billion, one hundred twenty million, one hundred twenty-eight thousand, eight".