12220313004 has 72 divisors (see below), whose sum is σ = 31371551120. Its totient is φ = 4010176512.

The previous prime is 12220313003. The next prime is 12220313051. The reversal of 12220313004 is 40031302221.

12220313004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12220313003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1512327 + ... + 1520385.

Almost surely, 2^12220313004 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 12220313004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15685775560).

12220313004 is an abundant number, since it is smaller than the sum of its proper divisors (19151238116).

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

12220313004 is a wasteful number, since it uses less digits than its factorization.

12220313004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8719 (or 8714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12220313004 its reverse (40031302221), we get a palindrome (52251615225).

The spelling of 12220313004 in words is "twelve billion, two hundred twenty million, three hundred thirteen thousand, four".