200512103122 has 4 divisors (see below), whose sum is σ = 300768154686. Its totient is φ = 100256051560.

The previous prime is 200512103089. The next prime is 200512103161. The reversal of 200512103122 is 221301215002.

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., 200479167001 + 32936121 = 447749^2 + 5739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200512103122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50128025779 + ... + 50128025782.

Almost surely, 2^200512103122 is an apocalyptic number.

200512103122 is a deficient number, since it is larger than the sum of its proper divisors (100256051564).

200512103122 is a wasteful number, since it uses less digits than its factorization.

200512103122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100256051563.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 200512103122 its reverse (221301215002), we get a palindrome (421813318124).

The spelling of 200512103122 in words is "two hundred billion, five hundred twelve million, one hundred three thousand, one hundred twenty-two".