213104222404 has 12 divisors (see below), whose sum is σ = 372946997500. Its totient is φ = 106547937408.

The previous prime is 213104222371. The next prime is 213104222447. The reversal of 213104222404 is 404222401312.

It can be written as a sum of positive squares in 2 ways, for example, as 19530621504 + 193573600900 = 139752^2 + 439970^2 .

It is a super-3 number, since 3×213104222404³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927129 + ... + 1133920.

Almost surely, 2^213104222404 is an apocalyptic number.

It is an amenable number.

213104222404 is a deficient number, since it is larger than the sum of its proper divisors (159842775096).

213104222404 is a wasteful number, since it uses less digits than its factorization.

213104222404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086902 (or 2086900 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 213104222404 its reverse (404222401312), we get a palindrome (617326623716).

The spelling of 213104222404 in words is "two hundred thirteen billion, one hundred four million, two hundred twenty-two thousand, four hundred four".