213123220230222 has 24 divisors (see below), whose sum is σ = 461804286121776. Its totient is φ = 71035333570656.

The previous prime is 213123220230209. The next prime is 213123220230223. The reversal of 213123220230222 is 222032022321312.

213123220230222 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 232 + 202 + 3 + 0 + 222 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123220230223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478090978 + ... + 478536549.

It is an arithmetic number, because the mean of its divisors is an integer number (19241845255074).

Almost surely, 2^{213123220230222} is an apocalyptic number.

213123220230222 is an abundant number, since it is smaller than the sum of its proper divisors (248681065891554).

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

213123220230222 is a wasteful number, since it uses less digits than its factorization.

213123220230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956639912 (or 956639909 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 213123220230222 its reverse (222032022321312), we get a palindrome (435155242551534).

The spelling of 213123220230222 in words is "two hundred thirteen trillion, one hundred twenty-three billion, two hundred twenty million, two hundred thirty thousand, two hundred twenty-two".