200000212122 has 16 divisors (see below), whose sum is σ = 406557808992. Its totient is φ = 65573839920.

The previous prime is 200000212051. The next prime is 200000212141. The reversal of 200000212122 is 221212000002.

It is a junction number, because it is equal to n+sod(n) for n = 200000212098 and 200000212107.

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 7 ways as a sum of consecutive naturals, for example, 273223968 + ... + 273224699.

It is an arithmetic number, because the mean of its divisors is an integer number (25409863062).

Almost surely, 2^200000212122 is an apocalyptic number.

200000212122 is an abundant number, since it is smaller than the sum of its proper divisors (206557596870).

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

200000212122 is a wasteful number, since it uses less digits than its factorization.

200000212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546448733.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200000212122 its reverse (221212000002), we get a palindrome (421212212124).

The spelling of 200000212122 in words is "two hundred billion, two hundred twelve thousand, one hundred twenty-two".