200222122212 has 120 divisors (see below), whose sum is σ = 598801245504. Its totient is φ = 57148296768.

The previous prime is 200222122211. The next prime is 200222122267. The reversal of 200222122212 is 212221222002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200222122211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2216923 + ... + 2305469.

Almost surely, 2^200222122212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200222122212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299400622752).

200222122212 is an abundant number, since it is smaller than the sum of its proper divisors (398579123292).

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

200222122212 is a wasteful number, since it uses less digits than its factorization.

200222122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89567 (or 89556 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200222122212 its reverse (212221222002), we get a palindrome (412443344214).

The spelling of 200222122212 in words is "two hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".