312231201112 has 16 divisors (see below), whose sum is σ = 585442320840. Its totient is φ = 156113248896.

The previous prime is 312231201091. The next prime is 312231201157. The reversal of 312231201112 is 211102132213.

It is a self number, because there is not a number n which added to its sum of digits gives 312231201112.

It is a congruent number.

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, 354448 + ... + 866080.

Almost surely, 2^312231201112 is an apocalyptic number.

It is an amenable number.

312231201112 is a deficient number, since it is larger than the sum of its proper divisors (273211119728).

312231201112 is a wasteful number, since it uses less digits than its factorization.

312231201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587922 (or 587918 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 312231201112 its reverse (211102132213), we get a palindrome (523333333325).

The spelling of 312231201112 in words is "three hundred twelve billion, two hundred thirty-one million, two hundred one thousand, one hundred twelve".