200121012212 has 24 divisors (see below), whose sum is σ = 382271084832. Its totient is φ = 90911268000.

The previous prime is 200121012181. The next prime is 200121012263. The reversal of 200121012212 is 212210121002.

200121012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244039 + ... + 1395662.

It is an arithmetic number, because the mean of its divisors is an integer number (15927961868).

Almost surely, 2^200121012212 is an apocalyptic number.

200121012212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200121012212 is a deficient number, since it is larger than the sum of its proper divisors (182150072620).

200121012212 is a wasteful number, since it uses less digits than its factorization.

200121012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641439 (or 2641437 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200121012212 its reverse (212210121002), we get a palindrome (412331133214).

The spelling of 200121012212 in words is "two hundred billion, one hundred twenty-one million, twelve thousand, two hundred twelve".