404200012 has 24 divisors (see below), whose sum is σ = 721100016. Its totient is φ = 198198528.

The previous prime is 404200009. The next prime is 404200019. The reversal of 404200012 is 210002404.

It is a junction number, because it is equal to n+sod(n) for n = 404199965 and 404200001.

It is not an unprimeable number, because it can be changed into a prime (404200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59208 + ... + 65680.

It is an arithmetic number, because the mean of its divisors is an integer number (30045834).

Almost surely, 2^404200012 is an apocalyptic number.

It is an amenable number.

404200012 is a deficient number, since it is larger than the sum of its proper divisors (316900004).

404200012 is a wasteful number, since it uses less digits than its factorization.

404200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777 (or 6775 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 404200012 is about 20104.7261110417. The cubic root of 404200012 is about 739.3761555021.

Adding to 404200012 its reverse (210002404), we get a palindrome (614202416).

The spelling of 404200012 in words is "four hundred four million, two hundred thousand, twelve".