12222200224 has 96 divisors (see below), whose sum is σ = 27740664000. Its totient is φ = 5253341184.

The previous prime is 12222200197. The next prime is 12222200227. The reversal of 12222200224 is 42200222221.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (12222200227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453232 + ... + 479440.

It is an arithmetic number, because the mean of its divisors is an integer number (288965250).

Almost surely, 2^12222200224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222200224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13870332000).

12222200224 is an abundant number, since it is smaller than the sum of its proper divisors (15518463776).

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

12222200224 is a wasteful number, since it uses less digits than its factorization.

12222200224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26310 (or 26302 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 12222200224 its reverse (42200222221), we get a palindrome (54422422445).

The spelling of 12222200224 in words is "twelve billion, two hundred twenty-two million, two hundred thousand, two hundred twenty-four".