12313232312 has 8 divisors (see below), whose sum is σ = 23087310600. Its totient is φ = 6156616152.

The previous prime is 12313232303. The next prime is 12313232317. The reversal of 12313232312 is 21323231321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313232317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769577012 + ... + 769577027.

It is an arithmetic number, because the mean of its divisors is an integer number (2885913825).

Almost surely, 2^12313232312 is an apocalyptic number.

It is an amenable number.

12313232312 is a deficient number, since it is larger than the sum of its proper divisors (10774078288).

12313232312 is a wasteful number, since it uses less digits than its factorization.

12313232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539154045 (or 1539154041 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 12313232312 its reverse (21323231321), we get a palindrome (33636463633).

Subtracting 12313232312 from its reverse (21323231321), we obtain a palindrome (9009999009).

The spelling of 12313232312 in words is "twelve billion, three hundred thirteen million, two hundred thirty-two thousand, three hundred twelve".