203121200212 has 12 divisors (see below), whose sum is σ = 406242400480. Its totient is φ = 87051942936.

The previous prime is 203121200189. The next prime is 203121200221. The reversal of 203121200212 is 212002121302.

It is a happy number.

203121200212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

203121200212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3627164262 + ... + 3627164317.

Almost surely, 2^203121200212 is an apocalyptic number.

It is an amenable number.

203121200212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

203121200212 is a wasteful number, since it uses less digits than its factorization.

203121200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254328590 (or 7254328588 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 203121200212 its reverse (212002121302), we get a palindrome (415123321514).

The spelling of 203121200212 in words is "two hundred three billion, one hundred twenty-one million, two hundred thousand, two hundred twelve".