12004030420 has 96 divisors (see below), whose sum is σ = 26110377216. Its totient is φ = 4633574400.

The previous prime is 12004030403. The next prime is 12004030433. The reversal of 12004030420 is 2403040021.

It is a junction number, because it is equal to n+sod(n) for n = 12004030394 and 12004030403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19023505 + ... + 19024135.

It is an arithmetic number, because the mean of its divisors is an integer number (271983096).

Almost surely, 2^12004030420 is an apocalyptic number.

12004030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12004030420 is an abundant number, since it is smaller than the sum of its proper divisors (14106346796).

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

12004030420 is a wasteful number, since it uses less digits than its factorization.

12004030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12004030420 its reverse (2403040021), we get a palindrome (14407070441).

The spelling of 12004030420 in words is "twelve billion, four million, thirty thousand, four hundred twenty".