12030320121 has 8 divisors (see below), whose sum is σ = 16110473280. Its totient is φ = 7985190192.

The previous prime is 12030320111. The next prime is 12030320123. The reversal of 12030320121 is 12102303021.

12030320121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12030320121 - 2⁵ = 12030320089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12030320121.

It is not an unprimeable number, because it can be changed into a prime (12030320123) 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 7 ways as a sum of consecutive naturals, for example, 8755005 + ... + 8756378.

It is an arithmetic number, because the mean of its divisors is an integer number (2013809160).

Almost surely, 2^12030320121 is an apocalyptic number.

It is an amenable number.

12030320121 is a deficient number, since it is larger than the sum of its proper divisors (4080153159).

12030320121 is a wasteful number, since it uses less digits than its factorization.

12030320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511615.

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

Adding to 12030320121 its reverse (12102303021), we get a palindrome (24132623142).

The spelling of 12030320121 in words is "twelve billion, thirty million, three hundred twenty thousand, one hundred twenty-one".