12011312120122 has 24 divisors (see below), whose sum is σ = 21313743066720. Its totient is φ = 5060455951320.

The previous prime is 12011312120117. The next prime is 12011312120149. The reversal of 12011312120122 is 22102121311021.

It is a self number, because there is not a number n which added to its sum of digits gives 12011312120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038675654 + ... + 1038687217.

It is an arithmetic number, because the mean of its divisors is an integer number (888072627780).

Almost surely, 2^{12011312120122} is an apocalyptic number.

12011312120122 is a deficient number, since it is larger than the sum of its proper divisors (9302430946598).

12011312120122 is a wasteful number, since it uses less digits than its factorization.

12011312120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077362946 (or 2077362939 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12011312120122 its reverse (22102121311021), we get a palindrome (34113433431143).

The spelling of 12011312120122 in words is "twelve trillion, eleven billion, three hundred twelve million, one hundred twenty thousand, one hundred twenty-two".