203212212102 has 20 divisors (see below), whose sum is σ = 455345883036. Its totient is φ = 67737403980.

The previous prime is 203212212101. The next prime is 203212212127. The reversal of 203212212102 is 201212212302.

203212212102 is a `hidden beast` number, since 20 + 321 + 221 + 2 + 102 = 666.

203212212102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212212101) 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 9 ways as a sum of consecutive naturals, for example, 627198024 + ... + 627198347.

Almost surely, 2^203212212102 is an apocalyptic number.

203212212102 is an abundant number, since it is smaller than the sum of its proper divisors (252133670934).

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

203212212102 is a wasteful number, since it uses less digits than its factorization.

203212212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254396385 (or 1254396376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 203212212102 its reverse (201212212302), we get a palindrome (404424424404).

The spelling of 203212212102 in words is "two hundred three billion, two hundred twelve million, two hundred twelve thousand, one hundred two".