12032103121 has 4 divisors (see below), whose sum is σ = 12032508852. Its totient is φ = 12031697392.

The previous prime is 12032103059. The next prime is 12032103131. The reversal of 12032103121 is 12130123021.

12032103121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11758366096 + 273737025 = 108436^2 + 16545^2 .

It is a cyclic number.

It is not a de Polignac number, because 12032103121 - 2²³ = 12023714513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12032103095 and 12032103104.

It is not an unprimeable number, because it can be changed into a prime (12032103131) 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 3 ways as a sum of consecutive naturals, for example, 154546 + ... + 218971.

It is an arithmetic number, because the mean of its divisors is an integer number (3008127213).

Almost surely, 2^12032103121 is an apocalyptic number.

It is an amenable number.

12032103121 is a deficient number, since it is larger than the sum of its proper divisors (405731).

12032103121 is an equidigital number, since it uses as much as digits as its factorization.

12032103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405730.

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

Adding to 12032103121 its reverse (12130123021), we get a palindrome (24162226142).

The spelling of 12032103121 in words is "twelve billion, thirty-two million, one hundred three thousand, one hundred twenty-one".