12102120300321 has 12 divisors (see below), whose sum is σ = 17887371607248. Its totient is φ = 7880450427864.

The previous prime is 12102120300253. The next prime is 12102120300341. The reversal of 12102120300321 is 12300302120121.

12102120300321 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 21 + 20 + 300 + 321 = 666.

12102120300321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12102120300321 - 2²³ = 12102111911713 is a prime.

It is a super-2 number, since 2×12102120300321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102120300294 and 12102120300303.

It is not an unprimeable number, because it can be changed into a prime (12102120300341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15635813955 + ... + 15635814728.

It is an arithmetic number, because the mean of its divisors is an integer number (1490614300604).

Almost surely, 2^{12102120300321} is an apocalyptic number.

It is an amenable number.

12102120300321 is a deficient number, since it is larger than the sum of its proper divisors (5785251306927).

12102120300321 is a wasteful number, since it uses less digits than its factorization.

12102120300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31271628732 (or 31271628729 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12102120300321 its reverse (12300302120121), we get a palindrome (24402422420442).

The spelling of 12102120300321 in words is "twelve trillion, one hundred two billion, one hundred twenty million, three hundred thousand, three hundred twenty-one".