12120122111122 has 8 divisors (see below), whose sum is σ = 18204391135872. Its totient is φ = 6051991732500.

The previous prime is 12120122111063. The next prime is 12120122111161. The reversal of 12120122111122 is 22111122102121.

It is a happy number.

12120122111122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12120122111122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12120122111122.

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, 4034659654 + ... + 4034662657.

It is an arithmetic number, because the mean of its divisors is an integer number (2275548891984).

Almost surely, 2^{12120122111122} is an apocalyptic number.

12120122111122 is a deficient number, since it is larger than the sum of its proper divisors (6084269024750).

12120122111122 is an equidigital number, since it uses as much as digits as its factorization.

12120122111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069323064.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12120122111122 its reverse (22111122102121), we get a palindrome (34231244213243).

Subtracting 12120122111122 from its reverse (22111122102121), we obtain a palindrome (9990999990999).

The spelling of 12120122111122 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".