18822938112 has 500 divisors, whose sum is σ = 63792806880. Its totient is φ = 5519923200.

The previous prime is 18822938089. The next prime is 18822938129. The reversal of 18822938112 is 21183922881.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 607191537 + ... + 607191567.

Almost surely, 2^18822938112 is an apocalyptic number.

18822938112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18822938112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31896403440).

18822938112 is an abundant number, since it is smaller than the sum of its proper divisors (44969868768).

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

18822938112 is an frugal number, since it uses more digits than its factorization.

18822938112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 47 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The spelling of 18822938112 in words is "eighteen billion, eight hundred twenty-two million, nine hundred thirty-eight thousand, one hundred twelve".