12001120211122 has 16 divisors (see below), whose sum is σ = 21282774759360. Its totient is φ = 4965980776848.

The previous prime is 12001120211117. The next prime is 12001120211123. The reversal of 12001120211122 is 22111202110021.

It is a junction number, because it is equal to n+sod(n) for n = 12001120211096 and 12001120211105.

It is not an unprimeable number, because it can be changed into a prime (12001120211123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14779704288 + ... + 14779705099.

It is an arithmetic number, because the mean of its divisors is an integer number (1330173422460).

Almost surely, 2^{12001120211122} is an apocalyptic number.

12001120211122 is a deficient number, since it is larger than the sum of its proper divisors (9281654548238).

12001120211122 is a wasteful number, since it uses less digits than its factorization.

12001120211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29559409425.

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

Adding to 12001120211122 its reverse (22111202110021), we get a palindrome (34112322321143).

The spelling of 12001120211122 in words is "twelve trillion, one billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-two".