212020331122 has 16 divisors (see below), whose sum is σ = 318418461144. Its totient is φ = 105880896000.

The previous prime is 212020331119. The next prime is 212020331153. The reversal of 212020331122 is 221133020212.

It can be written as a sum of positive squares in 4 ways, for example, as 157814713081 + 54205618041 = 397259^2 + 232821^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212020331122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10773972 + ... + 10793632.

Almost surely, 2^212020331122 is an apocalyptic number.

212020331122 is a deficient number, since it is larger than the sum of its proper divisors (106398130022).

212020331122 is a wasteful number, since it uses less digits than its factorization.

212020331122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25965.

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

Adding to 212020331122 its reverse (221133020212), we get a palindrome (433153351334).

The spelling of 212020331122 in words is "two hundred twelve billion, twenty million, three hundred thirty-one thousand, one hundred twenty-two".