212211340130 has 16 divisors (see below), whose sum is σ = 381997003320. Its totient is φ = 84880849152.

The previous prime is 212211340109. The next prime is 212211340139. The reversal of 212211340130 is 31043112212.

It can be written as a sum of positive squares in 4 ways, for example, as 86993732809 + 125217607321 = 294947^2 + 353861^2 .

It is not an unprimeable number, because it can be changed into a prime (212211340139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212759 + ... + 685338.

Almost surely, 2^212211340130 is an apocalyptic number.

212211340130 is a deficient number, since it is larger than the sum of its proper divisors (169785663190).

212211340130 is a wasteful number, since it uses less digits than its factorization.

212211340130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921733.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212211340130 its reverse (31043112212), we get a palindrome (243254452342).

The spelling of 212211340130 in words is "two hundred twelve billion, two hundred eleven million, three hundred forty thousand, one hundred thirty".