203002323012 has 48 divisors (see below), whose sum is σ = 526541406720. Its totient is φ = 67636701216.

The previous prime is 203002322983. The next prime is 203002323019. The reversal of 203002323012 is 210323200302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (203002323019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187483 + ... + 664194.

It is an arithmetic number, because the mean of its divisors is an integer number (10969612640).

Almost surely, 2^203002323012 is an apocalyptic number.

It is an amenable number.

203002323012 is an abundant number, since it is smaller than the sum of its proper divisors (323539083708).

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

203002323012 is a wasteful number, since it uses less digits than its factorization.

203002323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853897 (or 853889 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203002323012 its reverse (210323200302), we get a palindrome (413325523314).

The spelling of 203002323012 in words is "two hundred three billion, two million, three hundred twenty-three thousand, twelve".