203212222432 has 48 divisors (see below), whose sum is σ = 421507013760. Its totient is φ = 96172382592.

The previous prime is 203212222403. The next prime is 203212222457. The reversal of 203212222432 is 234222212302.

203212222432 is digitally balanced in base 2, because in such base 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 = 203212222397 and 203212222406.

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 7 ways as a sum of consecutive naturals, for example, 533973 + ... + 831595.

It is an arithmetic number, because the mean of its divisors is an integer number (8781396120).

Almost surely, 2^203212222432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203212222432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210753506880).

203212222432 is an abundant number, since it is smaller than the sum of its proper divisors (218294791328).

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

203212222432 is a wasteful number, since it uses less digits than its factorization.

203212222432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298775 (or 298767 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203212222432 its reverse (234222212302), we get a palindrome (437434434734).

The spelling of 203212222432 in words is "two hundred three billion, two hundred twelve million, two hundred twenty-two thousand, four hundred thirty-two".