12320002404 has 36 divisors (see below), whose sum is σ = 31183436284. Its totient is φ = 4101233472.

The previous prime is 12320002403. The next prime is 12320002469. The reversal of 12320002404 is 40420002321.

It can be written as a sum of positive squares in 2 ways, for example, as 4336222500 + 7983779904 = 65850^2 + 89352^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (12320002403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198787 + ... + 253290.

Almost surely, 2^12320002404 is an apocalyptic number.

It is an amenable number.

12320002404 is an abundant number, since it is smaller than the sum of its proper divisors (18863433880).

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

12320002404 is a wasteful number, since it uses less digits than its factorization.

12320002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452844 (or 452839 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12320002404 its reverse (40420002321), we get a palindrome (52740004725).

The spelling of 12320002404 in words is "twelve billion, three hundred twenty million, two thousand, four hundred four".