2143312114312 has 8 divisors (see below), whose sum is σ = 4018710214350. Its totient is φ = 1071656057152.

The previous prime is 2143312114303. The next prime is 2143312114319. The reversal of 2143312114312 is 2134112133412.

It can be written as a sum of positive squares in only one way, i.e., 1348743113316 + 794569000996 = 1161354^2 + 891386^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2143312114319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133957007137 + ... + 133957007152.

Almost surely, 2^{2143312114312} is an apocalyptic number.

It is an amenable number.

2143312114312 is a deficient number, since it is larger than the sum of its proper divisors (1875398100038).

2143312114312 is a wasteful number, since it uses less digits than its factorization.

2143312114312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267914014295 (or 267914014291 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 2143312114312 its reverse (2134112133412), we get a palindrome (4277424247724).

The spelling of 2143312114312 in words is "two trillion, one hundred forty-three billion, three hundred twelve million, one hundred fourteen thousand, three hundred twelve".