12229611200 has 126 divisors (see below), whose sum is σ = 30851135148. Its totient is φ = 4771481600.

The previous prime is 12229611151. The next prime is 12229611203. The reversal of 12229611200 is 211692221.

It is a self number, because there is not a number n which added to its sum of digits gives 12229611200.

It is not an unprimeable number, because it can be changed into a prime (12229611203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2687327 + ... + 2691873.

Almost surely, 2^12229611200 is an apocalyptic number.

12229611200 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 12229611200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15425567574).

12229611200 is an abundant number, since it is smaller than the sum of its proper divisors (18621523948).

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

12229611200 is an equidigital number, since it uses as much as digits as its factorization.

12229611200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12229611200 in words is "twelve billion, two hundred twenty-nine million, six hundred eleven thousand, two hundred".