12133002121 has 16 divisors (see below), whose sum is σ = 13090593600. Its totient is φ = 11207635200.

The previous prime is 12133002109. The next prime is 12133002137. The reversal of 12133002121 is 12120033121.

It is a cyclic number.

It is not a de Polignac number, because 12133002121 - 2¹¹ = 12133000073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12133002095 and 12133002104.

It is not an unprimeable number, because it can be changed into a prime (12133002151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1843725 + ... + 1850293.

It is an arithmetic number, because the mean of its divisors is an integer number (818162100).

Almost surely, 2^12133002121 is an apocalyptic number.

It is an amenable number.

12133002121 is a deficient number, since it is larger than the sum of its proper divisors (957591479).

12133002121 is a wasteful number, since it uses less digits than its factorization.

12133002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12133002121 its reverse (12120033121), we get a palindrome (24253035242).

The spelling of 12133002121 in words is "twelve billion, one hundred thirty-three million, two thousand, one hundred twenty-one".