12333421100 has 432 divisors, whose sum is σ = 37858243584. Its totient is φ = 3387225600.

The previous prime is 12333421099. The next prime is 12333421117. The reversal of 12333421100 is 112433321.

It is a super-2 number, since 2×12333421100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 25325057 + ... + 25325543.

Almost surely, 2^12333421100 is an apocalyptic number.

12333421100 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 12333421100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18929121792).

12333421100 is an abundant number, since it is smaller than the sum of its proper divisors (25524822484).

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

12333421100 is a wasteful number, since it uses less digits than its factorization.

12333421100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12333421100 its reverse (112433321), we get a palindrome (12445854421).

The spelling of 12333421100 in words is "twelve billion, three hundred thirty-three million, four hundred twenty-one thousand, one hundred".