12120022111122 has 96 divisors (see below), whose sum is σ = 27048577121280. Its totient is φ = 3920446857600.

The previous prime is 12120022111037. The next prime is 12120022111199. The reversal of 12120022111122 is 22111122002121.

12120022111122 is a `hidden beast` number, since 121 + 200 + 221 + 1 + 1 + 122 = 666.

12120022111122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12120022111095 and 12120022111104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93109279 + ... + 93239357.

It is an arithmetic number, because the mean of its divisors is an integer number (281756011680).

Almost surely, 2^{12120022111122} is an apocalyptic number.

12120022111122 is an abundant number, since it is smaller than the sum of its proper divisors (14928555010158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120022111122 is a wasteful number, since it uses less digits than its factorization.

12120022111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131208 (or 131205 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12120022111122 its reverse (22111122002121), we get a palindrome (34231144113243).

The spelling of 12120022111122 in words is "twelve trillion, one hundred twenty billion, twenty-two million, one hundred eleven thousand, one hundred twenty-two".