404020304303212 has 24 divisors (see below), whose sum is σ = 717058548283392. Its totient is φ = 199146947403600.

The previous prime is 404020304303197. The next prime is 404020304303221. The reversal of 404020304303212 is 212303403020404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61105078 + ... + 67393405.

It is an arithmetic number, because the mean of its divisors is an integer number (29877439511808).

Almost surely, 2^{404020304303212} is an apocalyptic number.

It is an amenable number.

404020304303212 is a deficient number, since it is larger than the sum of its proper divisors (313038243980180).

404020304303212 is a wasteful number, since it uses less digits than its factorization.

404020304303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128509629 (or 128509627 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 404020304303212 its reverse (212303403020404), we get a palindrome (616323707323616).

The spelling of 404020304303212 in words is "four hundred four trillion, twenty billion, three hundred four million, three hundred three thousand, two hundred twelve".