12310020121 has 8 divisors (see below), whose sum is σ = 14096792000. Its totient is φ = 10530297648.

The previous prime is 12310020077. The next prime is 12310020133. The reversal of 12310020121 is 12102001321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12310020121 - 2⁹ = 12310019609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310020421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758606 + ... + 1765591.

It is an arithmetic number, because the mean of its divisors is an integer number (1762099000).

Almost surely, 2^12310020121 is an apocalyptic number.

It is an amenable number.

12310020121 is a deficient number, since it is larger than the sum of its proper divisors (1786771879).

12310020121 is an equidigital number, since it uses as much as digits as its factorization.

12310020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524703.

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

Adding to 12310020121 its reverse (12102001321), we get a palindrome (24412021442).

The spelling of 12310020121 in words is "twelve billion, three hundred ten million, twenty thousand, one hundred twenty-one".