203432413512 has 96 divisors (see below), whose sum is σ = 536921945280. Its totient is φ = 64219900800.

The previous prime is 203432413487. The next prime is 203432413589. The reversal of 203432413512 is 215314234302.

It is a self number, because there is not a number n which added to its sum of digits gives 203432413512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1202973 + ... + 1361619.

It is an arithmetic number, because the mean of its divisors is an integer number (5592936930).

Almost surely, 2^203432413512 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 203432413512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268460972640).

203432413512 is an abundant number, since it is smaller than the sum of its proper divisors (333489531768).

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

203432413512 is a wasteful number, since it uses less digits than its factorization.

203432413512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158803 (or 158776 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 203432413512 its reverse (215314234302), we get a palindrome (418746647814).

The spelling of 203432413512 in words is "two hundred three billion, four hundred thirty-two million, four hundred thirteen thousand, five hundred twelve".