12011122010122 has 4 divisors (see below), whose sum is σ = 18016683015186. Its totient is φ = 6005561005060.

The previous prime is 12011122010117. The next prime is 12011122010183. The reversal of 12011122010122 is 22101022111021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9988437881601 + 2022684128521 = 3160449^2 + 1422211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12011122010096 and 12011122010105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002780502529 + ... + 3002780502532.

Almost surely, 2^{12011122010122} is an apocalyptic number.

12011122010122 is a deficient number, since it is larger than the sum of its proper divisors (6005561005064).

12011122010122 is an equidigital number, since it uses as much as digits as its factorization.

12011122010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005561005063.

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

Adding to 12011122010122 its reverse (22101022111021), we get a palindrome (34112144121143).

The spelling of 12011122010122 in words is "twelve trillion, eleven billion, one hundred twenty-two million, ten thousand, one hundred twenty-two".