12012111120122 has 8 divisors (see below), whose sum is σ = 18022081133856. Its totient is φ = 6004750742172.

The previous prime is 12012111120109. The next prime is 12012111120131. The reversal of 12012111120122 is 22102111121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12012111120122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652397438 + ... + 652415849.

It is an arithmetic number, because the mean of its divisors is an integer number (2252760141732).

Almost surely, 2^{12012111120122} is an apocalyptic number.

12012111120122 is a deficient number, since it is larger than the sum of its proper divisors (6009970013734).

12012111120122 is a wasteful number, since it uses less digits than its factorization.

12012111120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304817892.

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

Adding to 12012111120122 its reverse (22102111121021), we get a palindrome (34114222241143).

The spelling of 12012111120122 in words is "twelve trillion, twelve billion, one hundred eleven million, one hundred twenty thousand, one hundred twenty-two".