212213030122 has 8 divisors (see below), whose sum is σ = 320159543076. Its totient is φ = 105493182432.

The previous prime is 212213030111. The next prime is 212213030167. The reversal of 212213030122 is 221030312212.

It can be written as a sum of positive squares in 2 ways, for example, as 209708127721 + 2504902401 = 457939^2 + 50049^2 .

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 212213030122.

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, 306665883 + ... + 306666574.

Almost surely, 2^212213030122 is an apocalyptic number.

212213030122 is a deficient number, since it is larger than the sum of its proper divisors (107946512954).

212213030122 is a wasteful number, since it uses less digits than its factorization.

212213030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613332632.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212213030122 its reverse (221030312212), we get a palindrome (433243342334).

The spelling of 212213030122 in words is "two hundred twelve billion, two hundred thirteen million, thirty thousand, one hundred twenty-two".