12310121231 has 8 divisors (see below), whose sum is σ = 13005558720. Its totient is φ = 11632747168.

The previous prime is 12310121207. The next prime is 12310121273. The reversal of 12310121231 is 13212101321.

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 12310121231 - 2¹⁴ = 12310104847 is a prime.

It is a super-2 number, since 2×12310121231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310121281) 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, 4514456 + ... + 4517181.

It is an arithmetic number, because the mean of its divisors is an integer number (1625694840).

Almost surely, 2^12310121231 is an apocalyptic number.

12310121231 is a deficient number, since it is larger than the sum of its proper divisors (695437489).

12310121231 is an equidigital number, since it uses as much as digits as its factorization.

12310121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031713.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12310121231 its reverse (13212101321), we get a palindrome (25522222552).

The spelling of 12310121231 in words is "twelve billion, three hundred ten million, one hundred twenty-one thousand, two hundred thirty-one".