200122011012 has 96 divisors (see below), whose sum is σ = 582884434944. Its totient is φ = 51916233600.

The previous prime is 200122010987. The next prime is 200122011031. The reversal of 200122011012 is 210110221002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626703 + ... + 890505.

It is an arithmetic number, because the mean of its divisors is an integer number (6071712864).

Almost surely, 2^200122011012 is an apocalyptic number.

200122011012 is a gapful number since it is divisible by the number (22) 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 200122011012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291442217472).

200122011012 is an abundant number, since it is smaller than the sum of its proper divisors (382762423932).

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

200122011012 is a wasteful number, since it uses less digits than its factorization.

200122011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264649 (or 264647 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200122011012 its reverse (210110221002), we get a palindrome (410232232014).

The spelling of 200122011012 in words is "two hundred billion, one hundred twenty-two million, eleven thousand, twelve".