312001343443112 has 16 divisors (see below), whose sum is σ = 619414431835860. Its totient is φ = 146824161620224.

The previous prime is 312001343443099. The next prime is 312001343443169. The reversal of 312001343443112 is 211344343100213.

It can be written as a sum of positive squares in 2 ways, for example, as 287608155852196 + 24393187590916 = 16959014^2 + 4938946^2 .

It is a super-3 number, since 3×312001343443112³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147063762523 + ... + 1147063762794.

Almost surely, 2^{312001343443112} is an apocalyptic number.

It is an amenable number.

312001343443112 is a deficient number, since it is larger than the sum of its proper divisors (307413088392748).

312001343443112 is a wasteful number, since it uses less digits than its factorization.

312001343443112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294127525340 (or 2294127525336 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 312001343443112 its reverse (211344343100213), we get a palindrome (523345686543325).

The spelling of 312001343443112 in words is "three hundred twelve trillion, one billion, three hundred forty-three million, four hundred forty-three thousand, one hundred twelve".