210223223213 has 8 divisors (see below), whose sum is σ = 213112982136. Its totient is φ = 207333734400.

The previous prime is 210223223183. The next prime is 210223223297. The reversal of 210223223213 is 312322322012.

It can be written as a sum of positive squares in 4 ways, for example, as 82462014244 + 127761208969 = 287162^2 + 357437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210223223213 - 2³² = 205928255917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210223223113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884743 + ... + 1993163.

It is an arithmetic number, because the mean of its divisors is an integer number (26639122767).

Almost surely, 2^210223223213 is an apocalyptic number.

It is an amenable number.

210223223213 is a deficient number, since it is larger than the sum of its proper divisors (2889758923).

210223223213 is a wasteful number, since it uses less digits than its factorization.

210223223213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135055.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 210223223213 its reverse (312322322012), we get a palindrome (522545545225).

The spelling of 210223223213 in words is "two hundred ten billion, two hundred twenty-three million, two hundred twenty-three thousand, two hundred thirteen".