212330122 has 4 divisors (see below), whose sum is σ = 318495186. Its totient is φ = 106165060.

The previous prime is 212330113. The next prime is 212330143. The reversal of 212330122 is 221033212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 208253761 + 4076361 = 14431^2 + 2019^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212330096 and 212330105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53082529 + ... + 53082532.

Almost surely, 2^212330122 is an apocalyptic number.

212330122 is a deficient number, since it is larger than the sum of its proper divisors (106165064).

212330122 is a wasteful number, since it uses less digits than its factorization.

212330122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106165063.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212330122 is about 14571.5518048010. The cubic root of 212330122 is about 596.5825366785.

Adding to 212330122 its reverse (221033212), we get a palindrome (433363334).

The spelling of 212330122 in words is "two hundred twelve million, three hundred thirty thousand, one hundred twenty-two".