212313122 has 8 divisors (see below), whose sum is σ = 363965376. Its totient is φ = 90991332.

The previous prime is 212313107. The next prime is 212313133. The reversal of 212313122 is 221313212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212313122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7582598 + ... + 7582625.

It is an arithmetic number, because the mean of its divisors is an integer number (45495672).

Almost surely, 2^212313122 is an apocalyptic number.

212313122 is a deficient number, since it is larger than the sum of its proper divisors (151652254).

212313122 is a wasteful number, since it uses less digits than its factorization.

212313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165232.

The product of its digits is 144, while the sum is 17.

The square root of 212313122 is about 14570.9684647246. The cubic root of 212313122 is about 596.5666146578.

Adding to 212313122 its reverse (221313212), we get a palindrome (433626334).

The spelling of 212313122 in words is "two hundred twelve million, three hundred thirteen thousand, one hundred twenty-two".