20122012220122 has 8 divisors (see below), whose sum is σ = 30183353695476. Its totient is φ = 10060894321632.

The previous prime is 20122012220071. The next prime is 20122012220221. The reversal of 20122012220122 is 22102221022102.

It can be written as a sum of positive squares in 2 ways, for example, as 17504609190201 + 2617403029921 = 4183851^2 + 1617839^2 .

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 20122012220122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55669033 + ... + 56029324.

Almost surely, 2^{20122012220122} is an apocalyptic number.

20122012220122 is a deficient number, since it is larger than the sum of its proper divisors (10061341475354).

20122012220122 is a wasteful number, since it uses less digits than its factorization.

20122012220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111788432.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20122012220122 its reverse (22102221022102), we get a palindrome (42224233242224).

The spelling of 20122012220122 in words is "twenty trillion, one hundred twenty-two billion, twelve million, two hundred twenty thousand, one hundred twenty-two".