12333131212 has 24 divisors (see below), whose sum is σ = 21832902000. Its totient is φ = 6095206656.

The previous prime is 12333131203. The next prime is 12333131243. The reversal of 12333131212 is 21213133321.

It is a super-2 number, since 2×12333131212² (a number of 21 digits) contains 22 as substring.

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, 2079283 + ... + 2085205.

It is an arithmetic number, because the mean of its divisors is an integer number (909704250).

Almost surely, 2^12333131212 is an apocalyptic number.

It is an amenable number.

12333131212 is a deficient number, since it is larger than the sum of its proper divisors (9499770788).

12333131212 is a wasteful number, since it uses less digits than its factorization.

12333131212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11865 (or 11863 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 12333131212 its reverse (21213133321), we get a palindrome (33546264533).

The spelling of 12333131212 in words is "twelve billion, three hundred thirty-three million, one hundred thirty-one thousand, two hundred twelve".