12204100000 has 72 divisors (see below), whose sum is σ = 30031851276. Its totient is φ = 4881600000.

The previous prime is 12204099949. The next prime is 12204100003. The reversal of 12204100000 is 140221.

It can be written as a sum of positive squares in 6 ways, for example, as 2805185296 + 9398914704 = 52964^2 + 96948^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 12204100000.

It is not an unprimeable number, because it can be changed into a prime (12204100003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38980 + ... + 161020.

Almost surely, 2^12204100000 is an apocalyptic number.

12204100000 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 12204100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15015925638).

12204100000 is an abundant number, since it is smaller than the sum of its proper divisors (17827751276).

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

12204100000 is an frugal number, since it uses more digits than its factorization.

12204100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122076 (or 122048 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12204100000 its reverse (140221), we get a palindrome (12204240221).

The spelling of 12204100000 in words is "twelve billion, two hundred four million, one hundred thousand".