12310230211121 has 4 divisors (see below), whose sum is σ = 12342711030000. Its totient is φ = 12277749392244.

The previous prime is 12310230211117. The next prime is 12310230211141. The reversal of 12310230211121 is 12111203201321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12310230211121 - 2² = 12310230211117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310230211093 and 12310230211102.

It is not an unprimeable number, because it can be changed into a prime (12310230211141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16240408871 + ... + 16240409628.

It is an arithmetic number, because the mean of its divisors is an integer number (3085677757500).

Almost surely, 2^{12310230211121} is an apocalyptic number.

It is an amenable number.

12310230211121 is a deficient number, since it is larger than the sum of its proper divisors (32480818879).

12310230211121 is an equidigital number, since it uses as much as digits as its factorization.

12310230211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32480818878.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12310230211121 its reverse (12111203201321), we get a palindrome (24421433412442).

The spelling of 12310230211121 in words is "twelve trillion, three hundred ten billion, two hundred thirty million, two hundred eleven thousand, one hundred twenty-one".