213203222404324 has 48 divisors (see below), whose sum is σ = 374229578451456. Its totient is φ = 106281083289600.

The previous prime is 213203222404279. The next prime is 213203222404331. The reversal of 213203222404324 is 423404222302312.

It is a happy number.

It is a super-2 number, since 2×213203222404324² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213203222404324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5049435877 + ... + 5049478099.

It is an arithmetic number, because the mean of its divisors is an integer number (7796449551072).

Almost surely, 2^{213203222404324} is an apocalyptic number.

It is an amenable number.

213203222404324 is a deficient number, since it is larger than the sum of its proper divisors (161026356047132).

213203222404324 is a wasteful number, since it uses less digits than its factorization.

213203222404324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45676 (or 45674 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 213203222404324 its reverse (423404222302312), we get a palindrome (636607444706636).

The spelling of 213203222404324 in words is "two hundred thirteen trillion, two hundred three billion, two hundred twenty-two million, four hundred four thousand, three hundred twenty-four".