12012122012 has 24 divisors (see below), whose sum is σ = 24139194240. Its totient is φ = 5172683760.

The previous prime is 12012122009. The next prime is 12012122029. The reversal of 12012122012 is 21022121021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7183448 + ... + 7185119.

It is an arithmetic number, because the mean of its divisors is an integer number (1005799760).

Almost surely, 2^12012122012 is an apocalyptic number.

It is an amenable number.

12012122012 is an abundant number, since it is smaller than the sum of its proper divisors (12127072228).

12012122012 is a wasteful number, since it uses less digits than its factorization.

12012122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14368601 (or 14368599 counting only the distinct ones).

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

Adding to 12012122012 its reverse (21022121021), we get a palindrome (33034243033).

Subtracting 12012122012 from its reverse (21022121021), we obtain a palindrome (9009999009).

The spelling of 12012122012 in words is "twelve billion, twelve million, one hundred twenty-two thousand, twelve".