213055223210252 has 24 divisors (see below), whose sum is σ = 373138256094912. Its totient is φ = 106444313136000.

The previous prime is 213055223210243. The next prime is 213055223210293. The reversal of 213055223210252 is 252012322550312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39651752 + ... + 44703152.

It is an arithmetic number, because the mean of its divisors is an integer number (15547427337288).

Almost surely, 2^{213055223210252} is an apocalyptic number.

It is an amenable number.

213055223210252 is a deficient number, since it is larger than the sum of its proper divisors (160083032884660).

213055223210252 is a wasteful number, since it uses less digits than its factorization.

213055223210252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059649 (or 5059647 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 213055223210252 its reverse (252012322550312), we get a palindrome (465067545760564).

The spelling of 213055223210252 in words is "two hundred thirteen trillion, fifty-five billion, two hundred twenty-three million, two hundred ten thousand, two hundred fifty-two".