404100012 has 12 divisors (see below), whose sum is σ = 942900056. Its totient is φ = 134700000.

The previous prime is 404100001. The next prime is 404100017. The reversal of 404100012 is 210001404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 33675001 = 404100012 / (4 + 0 + 4 + 1 + 0 + 0 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (404100017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16837489 + ... + 16837512.

Almost surely, 2^404100012 is an apocalyptic number.

It is an amenable number.

404100012 is an abundant number, since it is smaller than the sum of its proper divisors (538800044).

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

404100012 is a wasteful number, since it uses less digits than its factorization.

404100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33675008 (or 33675006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 404100012 is about 20102.2389797754. The cubic root of 404100012 is about 739.3151760269.

Adding to 404100012 its reverse (210001404), we get a palindrome (614101416).

The spelling of 404100012 in words is "four hundred four million, one hundred thousand, twelve".