12122202020128 has 48 divisors (see below), whose sum is σ = 24016198864896. Its totient is φ = 6022966740480.

The previous prime is 12122202020111. The next prime is 12122202020129. The reversal of 12122202020128 is 82102020222121.

It is not an unprimeable number, because it can be changed into a prime (12122202020129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496500 + ... + 5146252.

It is an arithmetic number, because the mean of its divisors is an integer number (500337476352).

Almost surely, 2^{12122202020128} is an apocalyptic number.

It is an amenable number.

12122202020128 is a deficient number, since it is larger than the sum of its proper divisors (11893996844768).

12122202020128 is a wasteful number, since it uses less digits than its factorization.

12122202020128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650417 (or 3650409 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 12122202020128 its reverse (82102020222121), we get a palindrome (94224222242249).

The spelling of 12122202020128 in words is "twelve trillion, one hundred twenty-two billion, two hundred two million, twenty thousand, one hundred twenty-eight".