404021302212 has 48 divisors (see below), whose sum is σ = 1028600419392. Its totient is φ = 122408964480.

The previous prime is 404021302199. The next prime is 404021302219. The reversal of 404021302212 is 212203120404.

It is not an unprimeable number, because it can be changed into a prime (404021302219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 482658 + ... + 1020294.

It is an arithmetic number, because the mean of its divisors is an integer number (21429175404).

Almost surely, 2^404021302212 is an apocalyptic number.

It is an amenable number.

404021302212 is an abundant number, since it is smaller than the sum of its proper divisors (624579117180).

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

404021302212 is a wasteful number, since it uses less digits than its factorization.

404021302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543348 (or 543346 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 404021302212 its reverse (212203120404), we get a palindrome (616224422616).

The spelling of 404021302212 in words is "four hundred four billion, twenty-one million, three hundred two thousand, two hundred twelve".