203040410412 has 96 divisors (see below), whose sum is σ = 556542733824. Its totient is φ = 56403187200.

The previous prime is 203040410351. The next prime is 203040410423. The reversal of 203040410412 is 214014040302.

203040410412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 908487 + ... + 1109697.

It is an arithmetic number, because the mean of its divisors is an integer number (5797320144).

Almost surely, 2^203040410412 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 203040410412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278271366912).

203040410412 is an abundant number, since it is smaller than the sum of its proper divisors (353502323412).

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

203040410412 is a wasteful number, since it uses less digits than its factorization.

203040410412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201559 (or 201557 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 203040410412 its reverse (214014040302), we get a palindrome (417054450714).

The spelling of 203040410412 in words is "two hundred three billion, forty million, four hundred ten thousand, four hundred twelve".