203212221202 has 16 divisors (see below), whose sum is σ = 315030816000. Its totient is φ = 98209858320.

The previous prime is 203212221169. The next prime is 203212221203. The reversal of 203212221202 is 202122212302.

It is a self number, because there is not a number n which added to its sum of digits gives 203212221202.

It is not an unprimeable number, because it can be changed into a prime (203212221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925452 + ... + 2028247.

It is an arithmetic number, because the mean of its divisors is an integer number (19689426000).

Almost surely, 2^203212221202 is an apocalyptic number.

203212221202 is a deficient number, since it is larger than the sum of its proper divisors (111818594798).

203212221202 is a wasteful number, since it uses less digits than its factorization.

203212221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954561.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 203212221202 its reverse (202122212302), we get a palindrome (405334433504).

The spelling of 203212221202 in words is "two hundred three billion, two hundred twelve million, two hundred twenty-one thousand, two hundred two".