20122202212 has 18 divisors (see below), whose sum is σ = 40963054902. Its totient is φ = 8623800864.

The previous prime is 20122202209. The next prime is 20122202227. The reversal of 20122202212 is 21220222102.

It can be written as a sum of positive squares in only one way, i.e., 20089093696 + 33108516 = 141736^2 + 5754^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51331953 + ... + 51332344.

Almost surely, 2^20122202212 is an apocalyptic number.

It is an amenable number.

20122202212 is an abundant number, since it is smaller than the sum of its proper divisors (20840852690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20122202212 is a wasteful number, since it uses less digits than its factorization.

20122202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102664315 (or 102664306 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20122202212 its reverse (21220222102), we get a palindrome (41342424314).

The spelling of 20122202212 in words is "twenty billion, one hundred twenty-two million, two hundred two thousand, two hundred twelve".