12203323100 has 18 divisors (see below), whose sum is σ = 26481211344. Its totient is φ = 4881329200.

The previous prime is 12203323079. The next prime is 12203323103. The reversal of 12203323100 is 132330221.

It is a super-2 number, since 2×12203323100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203323103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61016516 + ... + 61016715.

It is an arithmetic number, because the mean of its divisors is an integer number (1471178408).

Almost surely, 2^12203323100 is an apocalyptic number.

12203323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203323100 is an abundant number, since it is smaller than the sum of its proper divisors (14277888244).

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

12203323100 is a wasteful number, since it uses less digits than its factorization.

12203323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122033245 (or 122033238 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12203323100 its reverse (132330221), we get a palindrome (12335653321).

The spelling of 12203323100 in words is "twelve billion, two hundred three million, three hundred twenty-three thousand, one hundred".