200122212112 has 20 divisors (see below), whose sum is σ = 404594907840. Its totient is φ = 95710623008.

The previous prime is 200122212107. The next prime is 200122212151. The reversal of 200122212112 is 211212221002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271904812 + ... + 271905547.

It is an arithmetic number, because the mean of its divisors is an integer number (20229745392).

Almost surely, 2^200122212112 is an apocalyptic number.

It is an amenable number.

200122212112 is an abundant number, since it is smaller than the sum of its proper divisors (204472695728).

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

200122212112 is a wasteful number, since it uses less digits than its factorization.

200122212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543810390 (or 543810384 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200122212112 its reverse (211212221002), we get a palindrome (411334433114).

The spelling of 200122212112 in words is "two hundred billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twelve".