12330434121 has 4 divisors (see below), whose sum is σ = 16440578832. Its totient is φ = 8220289412.

The previous prime is 12330434119. The next prime is 12330434143. The reversal of 12330434121 is 12143403321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12330434121 - 2¹ = 12330434119 is a prime.

It is a super-2 number, since 2×12330434121² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12330434091 and 12330434100.

It is not an unprimeable number, because it can be changed into a prime (12330434521) 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, 2055072351 + ... + 2055072356.

It is an arithmetic number, because the mean of its divisors is an integer number (4110144708).

Almost surely, 2^12330434121 is an apocalyptic number.

It is an amenable number.

12330434121 is a deficient number, since it is larger than the sum of its proper divisors (4110144711).

12330434121 is an equidigital number, since it uses as much as digits as its factorization.

12330434121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110144710.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12330434121 its reverse (12143403321), we get a palindrome (24473837442).

The spelling of 12330434121 in words is "twelve billion, three hundred thirty million, four hundred thirty-four thousand, one hundred twenty-one".