213212220203224 has 96 divisors (see below), whose sum is σ = 465606878688000. Its totient is φ = 90755421166080.

The previous prime is 213212220203209. The next prime is 213212220203261. The reversal of 213212220203224 is 422302022212312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213212220203192 and 213212220203201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16003404 + ... + 26125339.

It is an arithmetic number, because the mean of its divisors is an integer number (4850071653000).

Almost surely, 2^{213212220203224} is an apocalyptic number.

It is an amenable number.

213212220203224 is an abundant number, since it is smaller than the sum of its proper divisors (252394658484776).

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

213212220203224 is a wasteful number, since it uses less digits than its factorization.

213212220203224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42128993 (or 42128972 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 213212220203224 its reverse (422302022212312), we get a palindrome (635514242415536).

The spelling of 213212220203224 in words is "two hundred thirteen trillion, two hundred twelve billion, two hundred twenty million, two hundred three thousand, two hundred twenty-four".