202432321212 has 48 divisors (see below), whose sum is σ = 515346112512. Its totient is φ = 61335527680.

The previous prime is 202432321193. The next prime is 202432321237. The reversal of 202432321212 is 212123234202.

202432321212 is digitally balanced in base 2, 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 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, 1024228 + ... + 1205780.

It is an arithmetic number, because the mean of its divisors is an integer number (10736377344).

Almost surely, 2^202432321212 is an apocalyptic number.

202432321212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202432321212 is an abundant number, since it is smaller than the sum of its proper divisors (312913791300).

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

202432321212 is a wasteful number, since it uses less digits than its factorization.

202432321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190018 (or 190016 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202432321212 its reverse (212123234202), we get a palindrome (414555555414).

The spelling of 202432321212 in words is "two hundred two billion, four hundred thirty-two million, three hundred twenty-one thousand, two hundred twelve".