12300021121 has 16 divisors (see below), whose sum is σ = 12964976640. Its totient is φ = 11646366160.

The previous prime is 12300021109. The next prime is 12300021131. The reversal of 12300021121 is 12112000321.

12300021121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12300021121 - 2¹¹ = 12300019073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12300021131) 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 15 ways as a sum of consecutive naturals, for example, 1257576 + ... + 1267318.

It is an arithmetic number, because the mean of its divisors is an integer number (810311040).

Almost surely, 2^12300021121 is an apocalyptic number.

It is an amenable number.

12300021121 is a deficient number, since it is larger than the sum of its proper divisors (664955519).

12300021121 is a wasteful number, since it uses less digits than its factorization.

12300021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12300021121 its reverse (12112000321), we get a palindrome (24412021442).

The spelling of 12300021121 in words is "twelve billion, three hundred million, twenty-one thousand, one hundred twenty-one".