200122012212 has 48 divisors (see below), whose sum is σ = 483859031040. Its totient is φ = 64331231328.

The previous prime is 200122012199. The next prime is 200122012213. The reversal of 200122012212 is 212210221002.

It is a junction number, because it is equal to n+sod(n) for n = 200122012191 and 200122012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122012213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2413878 + ... + 2495405.

It is an arithmetic number, because the mean of its divisors is an integer number (10080396480).

Almost surely, 2^200122012212 is an apocalyptic number.

It is an amenable number.

200122012212 is an abundant number, since it is smaller than the sum of its proper divisors (283737018828).

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

200122012212 is a wasteful number, since it uses less digits than its factorization.

200122012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909412 (or 4909410 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200122012212 its reverse (212210221002), we get a palindrome (412332233214).

The spelling of 200122012212 in words is "two hundred billion, one hundred twenty-two million, twelve thousand, two hundred twelve".