12203000100 has 216 divisors, whose sum is σ = 39977857920. Its totient is φ = 3110365440.

The previous prime is 12203000093. The next prime is 12203000101. The reversal of 12203000100 is 100030221.

It is a happy number.

It is a super-2 number, since 2×12203000100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12203000101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1815546 + ... + 1822254.

Almost surely, 2^12203000100 is an apocalyptic number.

12203000100 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 12203000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19988928960).

12203000100 is an abundant number, since it is smaller than the sum of its proper divisors (27774857820).

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

12203000100 is a wasteful number, since it uses less digits than its factorization.

12203000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12203000100 its reverse (100030221), we get a palindrome (12303030321).

The spelling of 12203000100 in words is "twelve billion, two hundred three million, one hundred", and thus it is an aban number.