12330133121 has 4 divisors (see below), whose sum is σ = 12335905092. Its totient is φ = 12324361152.

The previous prime is 12330133111. The next prime is 12330133139. The reversal of 12330133121 is 12133103321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5411220721 + 6918912400 = 73561^2 + 83180^2 .

It is a cyclic number.

It is not a de Polignac number, because 12330133121 - 2¹⁸ = 12329870977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12330133093 and 12330133102.

It is not an unprimeable number, because it can be changed into a prime (12330133111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882780 + ... + 2887053.

It is an arithmetic number, because the mean of its divisors is an integer number (3083976273).

Almost surely, 2^12330133121 is an apocalyptic number.

It is an amenable number.

12330133121 is a deficient number, since it is larger than the sum of its proper divisors (5771971).

12330133121 is an equidigital number, since it uses as much as digits as its factorization.

12330133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771970.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12330133121 its reverse (12133103321), we get a palindrome (24463236442).

The spelling of 12330133121 in words is "twelve billion, three hundred thirty million, one hundred thirty-three thousand, one hundred twenty-one".