12030320211121 has 16 divisors (see below), whose sum is σ = 12141944399104. Its totient is φ = 11919183312384.

The previous prime is 12030320211071. The next prime is 12030320211127. The reversal of 12030320211121 is 12111202303021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12030320211121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030320211127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155077075 + ... + 155154631.

It is an arithmetic number, because the mean of its divisors is an integer number (758871524944).

Almost surely, 2^{12030320211121} is an apocalyptic number.

It is an amenable number.

12030320211121 is a deficient number, since it is larger than the sum of its proper divisors (111624187983).

12030320211121 is a wasteful number, since it uses less digits than its factorization.

12030320211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80680.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12030320211121 its reverse (12111202303021), we get a palindrome (24141522514142).

The spelling of 12030320211121 in words is "twelve trillion, thirty billion, three hundred twenty million, two hundred eleven thousand, one hundred twenty-one".