12000011122 has 32 divisors (see below), whose sum is σ = 20770888320. Its totient is φ = 5145909120.

The previous prime is 12000011117. The next prime is 12000011129. The reversal of 12000011122 is 22111000021.

It is a junction number, because it is equal to n+sod(n) for n = 12000011099 and 12000011108.

It is not an unprimeable number, because it can be changed into a prime (12000011129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125497 + ... + 199372.

It is an arithmetic number, because the mean of its divisors is an integer number (649090260).

Almost surely, 2^12000011122 is an apocalyptic number.

12000011122 is a deficient number, since it is larger than the sum of its proper divisors (8770877198).

12000011122 is a wasteful number, since it uses less digits than its factorization.

12000011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324978.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000011122 its reverse (22111000021), we get a palindrome (34111011143).

The spelling of 12000011122 in words is "twelve billion, eleven thousand, one hundred twenty-two".