200012202122 has 4 divisors (see below), whose sum is σ = 300018303186. Its totient is φ = 100006101060.

The previous prime is 200012202121. The next prime is 200012202127. The reversal of 200012202122 is 221202210002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 195354276121 + 4657926001 = 441989^2 + 68249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200012202097 and 200012202106.

It is not an unprimeable number, because it can be changed into a prime (200012202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50003050529 + ... + 50003050532.

Almost surely, 2^200012202122 is an apocalyptic number.

200012202122 is a deficient number, since it is larger than the sum of its proper divisors (100006101064).

200012202122 is a wasteful number, since it uses less digits than its factorization.

200012202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100006101063.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200012202122 its reverse (221202210002), we get a palindrome (421214412124).

The spelling of 200012202122 in words is "two hundred billion, twelve million, two hundred two thousand, one hundred twenty-two".