203401332012 has 48 divisors (see below), whose sum is σ = 503544650112. Its totient is φ = 63682187520.

The previous prime is 203401332011. The next prime is 203401332037. The reversal of 203401332012 is 210233104302.

203401332012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203401332012.

It is not an unprimeable number, because it can be changed into a prime (203401332011) 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, 915178 + ... + 1115505.

It is an arithmetic number, because the mean of its divisors is an integer number (10490513544).

Almost surely, 2^203401332012 is an apocalyptic number.

It is an amenable number.

203401332012 is an abundant number, since it is smaller than the sum of its proper divisors (300143318100).

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

203401332012 is a wasteful number, since it uses less digits than its factorization.

203401332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031198 (or 2031196 counting only the distinct ones).

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

Adding to 203401332012 its reverse (210233104302), we get a palindrome (413634436314).

The spelling of 203401332012 in words is "two hundred three billion, four hundred one million, three hundred thirty-two thousand, twelve".