12121130133 has 48 divisors (see below), whose sum is σ = 20293178880. Its totient is φ = 6828427008.

The previous prime is 12121130129. The next prime is 12121130159. The reversal of 12121130133 is 33103112121.

12121130133 is a `hidden beast` number, since 121 + 211 + 301 + 33 = 666.

12121130133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12121130133 - 2² = 12121130129 is a prime.

It is a super-2 number, since 2×12121130133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121131133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4363441 + ... + 4366217.

It is an arithmetic number, because the mean of its divisors is an integer number (422774560).

Almost surely, 2^12121130133 is an apocalyptic number.

It is an amenable number.

12121130133 is a deficient number, since it is larger than the sum of its proper divisors (8172048747).

12121130133 is a wasteful number, since it uses less digits than its factorization.

12121130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12121130133 its reverse (33103112121), we get a palindrome (45224242254).

The spelling of 12121130133 in words is "twelve billion, one hundred twenty-one million, one hundred thirty thousand, one hundred thirty-three".