12220321304 has 16 divisors (see below), whose sum is σ = 22934961000. Its totient is φ = 6104331712.

The previous prime is 12220321301. The next prime is 12220321307. The reversal of 12220321304 is 40312302221.

It is an interprime number because it is at equal distance from previous prime (12220321301) and next prime (12220321307).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220321301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719702 + ... + 736485.

Almost surely, 2^12220321304 is an apocalyptic number.

It is an amenable number.

12220321304 is a deficient number, since it is larger than the sum of its proper divisors (10714639696).

12220321304 is a wasteful number, since it uses less digits than its factorization.

12220321304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457242 (or 1457238 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12220321304 its reverse (40312302221), we get a palindrome (52532623525).

The spelling of 12220321304 in words is "twelve billion, two hundred twenty million, three hundred twenty-one thousand, three hundred four".