203324012100 has 432 divisors, whose sum is σ = 720912192000. Its totient is φ = 47485440000.

The previous prime is 203324012083. The next prime is 203324012173. The reversal of 203324012100 is 1210423302.

203324012100 is a `hidden beast` number, since 20 + 3 + 32 + 401 + 210 + 0 = 666.

203324012100 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 (18).

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 143 ways as a sum of consecutive naturals, for example, 73961526 + ... + 73964274.

Almost surely, 2^203324012100 is an apocalyptic number.

203324012100 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 203324012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360456096000).

203324012100 is an abundant number, since it is smaller than the sum of its proper divisors (517588179900).

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

203324012100 is a wasteful number, since it uses less digits than its factorization.

203324012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 203324012100 its reverse (1210423302), we get a palindrome (204534435402).

The spelling of 203324012100 in words is "two hundred three billion, three hundred twenty-four million, twelve thousand, one hundred".