12203302100 has 144 divisors (see below), whose sum is σ = 30873648960. Its totient is φ = 4137523200.

The previous prime is 12203302087. The next prime is 12203302103. The reversal of 12203302100 is 120330221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203302103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2035307 + ... + 2041293.

It is an arithmetic number, because the mean of its divisors is an integer number (214400340).

Almost surely, 2^12203302100 is an apocalyptic number.

12203302100 is a gapful number since it is divisible by the number (10) 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 12203302100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15436824480).

12203302100 is an abundant number, since it is smaller than the sum of its proper divisors (18670346860).

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

12203302100 is a wasteful number, since it uses less digits than its factorization.

12203302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6131 counting only the distinct ones).

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

Adding to 12203302100 its reverse (120330221), we get a palindrome (12323632321).

The spelling of 12203302100 in words is "twelve billion, two hundred three million, three hundred two thousand, one hundred".