203220100212 has 48 divisors (see below), whose sum is σ = 499185523200. Its totient is φ = 64168541280.

The previous prime is 203220100199. The next prime is 203220100219. The reversal of 203220100212 is 212001022302.

It is a happy number.

203220100212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203220100191 and 203220100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203220100219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2689387 + ... + 2763917.

It is an arithmetic number, because the mean of its divisors is an integer number (10399698400).

Almost surely, 2^203220100212 is an apocalyptic number.

It is an amenable number.

203220100212 is an abundant number, since it is smaller than the sum of its proper divisors (295965422988).

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

203220100212 is a wasteful number, since it uses less digits than its factorization.

203220100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86516 (or 86514 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 203220100212 its reverse (212001022302), we get a palindrome (415221122514).

The spelling of 203220100212 in words is "two hundred three billion, two hundred twenty million, one hundred thousand, two hundred twelve".