212230202230321 has 4 divisors (see below), whose sum is σ = 231523856978544. Its totient is φ = 192936547482100.

The previous prime is 212230202230229. The next prime is 212230202230427. The reversal of 212230202230321 is 123032202032212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212230202230321 - 2²⁷ = 212230068012593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212230202234321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9646827374095 + ... + 9646827374116.

It is an arithmetic number, because the mean of its divisors is an integer number (57880964244636).

Almost surely, 2^{212230202230321} is an apocalyptic number.

It is an amenable number.

212230202230321 is a deficient number, since it is larger than the sum of its proper divisors (19293654748223).

212230202230321 is a wasteful number, since it uses less digits than its factorization.

212230202230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19293654748222.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 212230202230321 its reverse (123032202032212), we get a palindrome (335262404262533).

The spelling of 212230202230321 in words is "two hundred twelve trillion, two hundred thirty billion, two hundred two million, two hundred thirty thousand, three hundred twenty-one".