18088082012 has 96 divisors (see below), whose sum is σ = 43537665024. Its totient is φ = 6346483200.

The previous prime is 18088081993. The next prime is 18088082029. The reversal of 18088082012 is 21028088081.

It is a congruent number.

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, 109073 + ... + 219255.

It is an arithmetic number, because the mean of its divisors is an integer number (453517344).

Almost surely, 2^18088082012 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 18088082012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21768832512).

18088082012 is an abundant number, since it is smaller than the sum of its proper divisors (25449583012).

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

18088082012 is a wasteful number, since it uses less digits than its factorization.

18088082012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110259 (or 110257 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 38.

The spelling of 18088082012 in words is "eighteen billion, eighty-eight million, eighty-two thousand, twelve".