213312004404 has 24 divisors (see below), whose sum is σ = 498036628320. Its totient is φ = 71059913184.

The previous prime is 213312004397. The next prime is 213312004417. The reversal of 213312004404 is 404400213312.

It is a super-2 number, since 2×213312004404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5490874 + ... + 5529585.

It is an arithmetic number, because the mean of its divisors is an integer number (20751526180).

Almost surely, 2^213312004404 is an apocalyptic number.

It is an amenable number.

213312004404 is an abundant number, since it is smaller than the sum of its proper divisors (284724623916).

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

213312004404 is a wasteful number, since it uses less digits than its factorization.

213312004404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022079 (or 11022077 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213312004404 its reverse (404400213312), we get a palindrome (617712217716).

The spelling of 213312004404 in words is "two hundred thirteen billion, three hundred twelve million, four thousand, four hundred four".