12030320130021 has 28 divisors (see below), whose sum is σ = 18109090692000. Its totient is φ = 7988260257000.

The previous prime is 12030320129999. The next prime is 12030320130029. The reversal of 12030320130021 is 12003102303021.

12030320130021 is a `hidden beast` number, since 1 + 20 + 3 + 0 + 320 + 1 + 300 + 21 = 666.

It is not a de Polignac number, because 12030320130021 - 2¹⁵ = 12030320097253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12030320129976 and 12030320130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030320130029) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 32690521 + ... + 33056478.

It is an arithmetic number, because the mean of its divisors is an integer number (646753239000).

Almost surely, 2^{12030320130021} is an apocalyptic number.

It is an amenable number.

12030320130021 is a deficient number, since it is larger than the sum of its proper divisors (6078770561979).

12030320130021 is an frugal number, since it uses more digits than its factorization.

12030320130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65747268 (or 65747253 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12030320130021 its reverse (12003102303021), we get a palindrome (24033422433042).

The spelling of 12030320130021 in words is "twelve trillion, thirty billion, three hundred twenty million, one hundred thirty thousand, twenty-one".