12222143304 has 96 divisors (see below), whose sum is σ = 35587097280. Its totient is φ = 3487806336.

The previous prime is 12222143303. The next prime is 12222143309. The reversal of 12222143304 is 40334122221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12222143303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1037254 + ... + 1048970.

It is an arithmetic number, because the mean of its divisors is an integer number (370698930).

Almost surely, 2^12222143304 is an apocalyptic number.

12222143304 is a gapful number since it is divisible by the number (14) 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 12222143304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17793548640).

12222143304 is an abundant number, since it is smaller than the sum of its proper divisors (23364953976).

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

12222143304 is a wasteful number, since it uses less digits than its factorization.

12222143304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12627 (or 12616 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12222143304 its reverse (40334122221), we get a palindrome (52556265525).

The spelling of 12222143304 in words is "twelve billion, two hundred twenty-two million, one hundred forty-three thousand, three hundred four".