12001201121122 has 32 divisors (see below), whose sum is σ = 18651342528000. Its totient is φ = 5784728712000.

The previous prime is 12001201121099. The next prime is 12001201121137. The reversal of 12001201121122 is 22112110210021.

It is a junction number, because it is equal to n+sod(n) for n = 12001201121096 and 12001201121105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561029047 + ... + 561050437.

It is an arithmetic number, because the mean of its divisors is an integer number (582854454000).

Almost surely, 2^{12001201121122} is an apocalyptic number.

12001201121122 is a deficient number, since it is larger than the sum of its proper divisors (6650141406878).

12001201121122 is a wasteful number, since it uses less digits than its factorization.

12001201121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35922.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12001201121122 its reverse (22112110210021), we get a palindrome (34113311331143).

The spelling of 12001201121122 in words is "twelve trillion, one billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-two".