404104212012 has 24 divisors (see below), whose sum is σ = 942924952816. Its totient is φ = 134699243328.

The previous prime is 404104212011. The next prime is 404104212019. The reversal of 404104212012 is 210212401404.

It is a self number, because there is not a number n which added to its sum of digits gives 404104212012.

It is not an unprimeable number, because it can be changed into a prime (404104212011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628878 + ... + 1097130.

Almost surely, 2^404104212012 is an apocalyptic number.

It is an amenable number.

404104212012 is an abundant number, since it is smaller than the sum of its proper divisors (538820740804).

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

404104212012 is a wasteful number, since it uses less digits than its factorization.

404104212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540177 (or 540175 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 404104212012 its reverse (210212401404), we get a palindrome (614316613416).

The spelling of 404104212012 in words is "four hundred four billion, one hundred four million, two hundred twelve thousand, twelve".