312001112312 has 8 divisors (see below), whose sum is σ = 585002085600. Its totient is φ = 156000556152.

The previous prime is 312001112309. The next prime is 312001112317. The reversal of 312001112312 is 213211100213.

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 (312001112317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19500069512 + ... + 19500069527.

It is an arithmetic number, because the mean of its divisors is an integer number (73125260700).

Almost surely, 2^312001112312 is an apocalyptic number.

It is an amenable number.

312001112312 is a deficient number, since it is larger than the sum of its proper divisors (273000973288).

312001112312 is a wasteful number, since it uses less digits than its factorization.

312001112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39000139045 (or 39000139041 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312001112312 its reverse (213211100213), we get a palindrome (525212212525).

The spelling of 312001112312 in words is "three hundred twelve billion, one million, one hundred twelve thousand, three hundred twelve".