12212120012122 has 16 divisors (see below), whose sum is σ = 18383763235392. Its totient is φ = 6084200940480.

The previous prime is 12212120012069. The next prime is 12212120012159. The reversal of 12212120012122 is 22121002121221.

12212120012122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12212120012122.

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, 11956338 + ... + 12937474.

It is an arithmetic number, because the mean of its divisors is an integer number (1148985202212).

Almost surely, 2^{12212120012122} is an apocalyptic number.

12212120012122 is a deficient number, since it is larger than the sum of its proper divisors (6171643223270).

12212120012122 is a wasteful number, since it uses less digits than its factorization.

12212120012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003413.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212120012122 its reverse (22121002121221), we get a palindrome (34333122133343).

The spelling of 12212120012122 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, twelve thousand, one hundred twenty-two".