12012122133 has 24 divisors (see below), whose sum is σ = 18931629600. Its totient is φ = 7278752160.

The previous prime is 12012122099. The next prime is 12012122147. The reversal of 12012122133 is 33122121021.

It is not a de Polignac number, because 12012122133 - 2⁹ = 12012121621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012129133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1071843 + ... + 1082991.

It is an arithmetic number, because the mean of its divisors is an integer number (788817900).

Almost surely, 2^12012122133 is an apocalyptic number.

It is an amenable number.

12012122133 is a deficient number, since it is larger than the sum of its proper divisors (6919507467).

12012122133 is a wasteful number, since it uses less digits than its factorization.

12012122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22049 (or 22046 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12012122133 its reverse (33122121021), we get a palindrome (45134243154).

The spelling of 12012122133 in words is "twelve billion, twelve million, one hundred twenty-two thousand, one hundred thirty-three".