200312103121212 has 24 divisors (see below), whose sum is σ = 467395174665216. Its totient is φ = 66770662842928.

The previous prime is 200312103121183. The next prime is 200312103121223. The reversal of 200312103121212 is 212121301213002.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 24023653 + ... + 31269155.

It is an arithmetic number, because the mean of its divisors is an integer number (19474798944384).

Almost surely, 2^{200312103121212} is an apocalyptic number.

It is an amenable number.

200312103121212 is an abundant number, since it is smaller than the sum of its proper divisors (267083071544004).

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

200312103121212 is a wasteful number, since it uses less digits than its factorization.

200312103121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9549377 (or 9549375 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 200312103121212 its reverse (212121301213002), we get a palindrome (412433404334214).

The spelling of 200312103121212 in words is "two hundred trillion, three hundred twelve billion, one hundred three million, one hundred twenty-one thousand, two hundred twelve".