203332021212 has 24 divisors (see below), whose sum is σ = 474474912912. Its totient is φ = 67772550400.

The previous prime is 203332021181. The next prime is 203332021247. The reversal of 203332021212 is 212120233302.

It is a happy number.

203332021212 is digitally balanced in base 3, 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419739 + ... + 763442.

It is an arithmetic number, because the mean of its divisors is an integer number (19769788038).

Almost surely, 2^203332021212 is an apocalyptic number.

It is an amenable number.

203332021212 is an abundant number, since it is smaller than the sum of its proper divisors (271142891700).

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

203332021212 is a wasteful number, since it uses less digits than its factorization.

203332021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197509 (or 1197507 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203332021212 its reverse (212120233302), we get a palindrome (415452254514).

The spelling of 203332021212 in words is "two hundred three billion, three hundred thirty-two million, twenty-one thousand, two hundred twelve".