12021201111122 has 16 divisors (see below), whose sum is σ = 20607873316992. Its totient is φ = 5151918337440.

The previous prime is 12021201111107. The next prime is 12021201111151. The reversal of 12021201111122 is 22111110212021.

12021201111122 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 12021201111122.

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, 1070222 + ... + 5018742.

It is an arithmetic number, because the mean of its divisors is an integer number (1287992082312).

Almost surely, 2^{12021201111122} is an apocalyptic number.

12021201111122 is a deficient number, since it is larger than the sum of its proper divisors (8586672205870).

12021201111122 is a wasteful number, since it uses less digits than its factorization.

12021201111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165993.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12021201111122 its reverse (22111110212021), we get a palindrome (34132311323143).

The spelling of 12021201111122 in words is "twelve trillion, twenty-one billion, two hundred one million, one hundred eleven thousand, one hundred twenty-two".