12330344420 has 24 divisors (see below), whose sum is σ = 25950402744. Its totient is φ = 4921341696.

The previous prime is 12330344419. The next prime is 12330344431. The reversal of 12330344420 is 2444303321.

It can be written as a sum of positive squares in 4 ways, for example, as 6726624256 + 5603720164 = 82016^2 + 74858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12330344420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665387 + ... + 683666.

It is an arithmetic number, because the mean of its divisors is an integer number (1081266781).

Almost surely, 2^12330344420 is an apocalyptic number.

12330344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12330344420 is an abundant number, since it is smaller than the sum of its proper divisors (13620058324).

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

12330344420 is a wasteful number, since it uses less digits than its factorization.

12330344420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349519 (or 1349517 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12330344420 its reverse (2444303321), we get a palindrome (14774647741).

The spelling of 12330344420 in words is "twelve billion, three hundred thirty million, three hundred forty-four thousand, four hundred twenty".