203002112300 has 144 divisors (see below), whose sum is σ = 503956807200. Its totient is φ = 70357248000.

The previous prime is 203002112279. The next prime is 203002112311. The reversal of 203002112300 is 3211200302.

It is a happy number.

It is a super-2 number, since 2×203002112300² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2654600 + ... + 2730000.

It is an arithmetic number, because the mean of its divisors is an integer number (3499700050).

Almost surely, 2^203002112300 is an apocalyptic number.

203002112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203002112300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251978403600).

203002112300 is an abundant number, since it is smaller than the sum of its proper divisors (300954694900).

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

203002112300 is a wasteful number, since it uses less digits than its factorization.

203002112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75556 (or 75549 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 203002112300 its reverse (3211200302), we get a palindrome (206213312602).

The spelling of 203002112300 in words is "two hundred three billion, two million, one hundred twelve thousand, three hundred".