12133142212 has 24 divisors (see below), whose sum is σ = 21332560032.
Its totient is φ = 6038160000.
The previous prime is 12133142201. The next prime is 12133142213. The reversal of 12133142212 is 21224133121.
Adding to 12133142212 its reverse (21224133121), we get a palindrome (33357275333).
Subtracting 12133142212 from its reverse (21224133121), we obtain a palindrome (9090990909).
It is not an unprimeable number, because it can be changed into a prime (12133142213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814908 + ... + 1821580.
It is an arithmetic number, because the mean of its divisors is an integer number (888856668).
Almost surely, 212133142212 is an apocalyptic number.
It is an amenable number.
12133142212 is a deficient number, since it is larger than the sum of its proper divisors (9199417820).
12133142212 is a wasteful number, since it uses less digits than its factorization.
12133142212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8739 (or 8737 counting only the distinct ones).
The product of its digits is 576, while the sum is 22.
The spelling of 12133142212 in words is "twelve billion, one hundred thirty-three million, one hundred forty-two thousand, two hundred twelve".