12330002121 has 4 divisors (see below), whose sum is σ = 16440002832. Its totient is φ = 8220001412.

The previous prime is 12330002107. The next prime is 12330002141. The reversal of 12330002121 is 12120003321.

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 12330002121 - 2⁹ = 12330001609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12330002121.

It is not an unprimeable number, because it can be changed into a prime (12330002141) 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, 2055000351 + ... + 2055000356.

It is an arithmetic number, because the mean of its divisors is an integer number (4110000708).

Almost surely, 2^12330002121 is an apocalyptic number.

It is an amenable number.

12330002121 is a deficient number, since it is larger than the sum of its proper divisors (4110000711).

12330002121 is an equidigital number, since it uses as much as digits as its factorization.

12330002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110000710.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12330002121 its reverse (12120003321), we get a palindrome (24450005442).

The spelling of 12330002121 in words is "twelve billion, three hundred thirty million, two thousand, one hundred twenty-one".