200122000000 has 448 divisors, whose sum is σ = 552227306400. Its totient is φ = 71769600000.

The previous prime is 200121999989. The next prime is 200122000037. The reversal of 200122000000 is 221002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1117999911 + ... + 1118000089.

Almost surely, 2^200122000000 is an apocalyptic number.

200122000000 is a gapful number since it is divisible by the number (20) 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 200122000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276113653200).

200122000000 is an abundant number, since it is smaller than the sum of its proper divisors (352105306400).

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

200122000000 is an frugal number, since it uses more digits than its factorization.

200122000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 200122000000 its reverse (221002), we get a palindrome (200122221002).

The spelling of 200122000000 in words is "two hundred billion, one hundred twenty-two million", and thus it is an aban number.