12011022122 has 16 divisors (see below), whose sum is σ = 19976605344. Its totient is φ = 5370054000.

The previous prime is 12011022113. The next prime is 12011022167. The reversal of 12011022122 is 22122011021.

It is a junction number, because it is equal to n+sod(n) for n = 12011022097 and 12011022106.

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 in 7 ways as a sum of consecutive naturals, for example, 4473704 + ... + 4476387.

It is an arithmetic number, because the mean of its divisors is an integer number (1248537834).

Almost surely, 2^12011022122 is an apocalyptic number.

12011022122 is a deficient number, since it is larger than the sum of its proper divisors (7965583222).

12011022122 is a wasteful number, since it uses less digits than its factorization.

12011022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950165.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12011022122 its reverse (22122011021), we get a palindrome (34133033143).

The spelling of 12011022122 in words is "twelve billion, eleven million, twenty-two thousand, one hundred twenty-two".