198273902112 has 576 divisors, whose sum is σ = 703865635200. Its totient is φ = 54096076800.

The previous prime is 198273902111. The next prime is 198273902129. The reversal of 198273902112 is 211209372891.

It is not an unprimeable number, because it can be changed into a prime (198273902111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45588514 + ... + 45592862.

It is an arithmetic number, because the mean of its divisors is an integer number (1221988950).

Almost surely, 2^198273902112 is an apocalyptic number.

198273902112 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 198273902112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351932817600).

198273902112 is an abundant number, since it is smaller than the sum of its proper divisors (505591733088).

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

198273902112 is a wasteful number, since it uses less digits than its factorization.

198273902112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439 (or 4419 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 198273902112 in words is "one hundred ninety-eight billion, two hundred seventy-three million, nine hundred two thousand, one hundred twelve".