12310322312 has 8 divisors (see below), whose sum is σ = 23081854350. Its totient is φ = 6155161152.

The previous prime is 12310322293. The next prime is 12310322341. The reversal of 12310322312 is 21322301321.

It can be written as a sum of positive squares in only one way, i.e., 8855939236 + 3454383076 = 94106^2 + 58774^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769395137 + ... + 769395152.

Almost surely, 2^12310322312 is an apocalyptic number.

It is an amenable number.

12310322312 is a deficient number, since it is larger than the sum of its proper divisors (10771532038).

12310322312 is a wasteful number, since it uses less digits than its factorization.

12310322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538790295 (or 1538790291 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12310322312 its reverse (21322301321), we get a palindrome (33632623633).

The spelling of 12310322312 in words is "twelve billion, three hundred ten million, three hundred twenty-two thousand, three hundred twelve".