404021430212 has 12 divisors (see below), whose sum is σ = 707994257040. Its totient is φ = 201737356776.

The previous prime is 404021430199. The next prime is 404021430251. The reversal of 404021430212 is 212034120404.

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 3 ways as a sum of consecutive naturals, for example, 68336258 + ... + 68342169.

It is an arithmetic number, because the mean of its divisors is an integer number (58999521420).

Almost surely, 2^404021430212 is an apocalyptic number.

It is an amenable number.

404021430212 is a deficient number, since it is larger than the sum of its proper divisors (303972826828).

404021430212 is a wasteful number, since it uses less digits than its factorization.

404021430212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136679170 (or 136679168 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 404021430212 its reverse (212034120404), we get a palindrome (616055550616).

The spelling of 404021430212 in words is "four hundred four billion, twenty-one million, four hundred thirty thousand, two hundred twelve".