12304203420 has 96 divisors (see below), whose sum is σ = 34717213440. Its totient is φ = 3255943680.

The previous prime is 12304203403. The next prime is 12304203449. The reversal of 12304203420 is 2430240321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4626051 + ... + 4628709.

It is an arithmetic number, because the mean of its divisors is an integer number (361637640).

Almost surely, 2^12304203420 is an apocalyptic number.

12304203420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12304203420 is an abundant number, since it is smaller than the sum of its proper divisors (22413010020).

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

12304203420 is a wasteful number, since it uses less digits than its factorization.

12304203420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235 (or 3233 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12304203420 its reverse (2430240321), we get a palindrome (14734443741).

The spelling of 12304203420 in words is "twelve billion, three hundred four million, two hundred three thousand, four hundred twenty".