12310231220012 has 48 divisors (see below), whose sum is σ = 24885744942240. Its totient is φ = 5265993830400.

The previous prime is 12310231219999. The next prime is 12310231220017. The reversal of 12310231220012 is 21002213201321.

It is not an unprimeable number, because it can be changed into a prime (12310231220017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8938712 + ... + 10223552.

It is an arithmetic number, because the mean of its divisors is an integer number (518453019630).

Almost surely, 2^{12310231220012} is an apocalyptic number.

It is an amenable number.

12310231220012 is an abundant number, since it is smaller than the sum of its proper divisors (12575513722228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12310231220012 is a wasteful number, since it uses less digits than its factorization.

12310231220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297682 (or 1297680 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12310231220012 its reverse (21002213201321), we get a palindrome (33312444421333).

The spelling of 12310231220012 in words is "twelve trillion, three hundred ten billion, two hundred thirty-one million, two hundred twenty thousand, twelve".