12344203420 has 48 divisors (see below), whose sum is σ = 26327560896. Its totient is φ = 4860800000.

The previous prime is 12344203411. The next prime is 12344203463. The reversal of 12344203420 is 2430244321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989220 + ... + 1001620.

It is an arithmetic number, because the mean of its divisors is an integer number (548490852).

Almost surely, 2^12344203420 is an apocalyptic number.

12344203420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344203420 is an abundant number, since it is smaller than the sum of its proper divisors (13983357476).

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

12344203420 is a wasteful number, since it uses less digits than its factorization.

12344203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182 (or 13180 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12344203420 its reverse (2430244321), we get a palindrome (14774447741).

The spelling of 12344203420 in words is "twelve billion, three hundred forty-four million, two hundred three thousand, four hundred twenty".