31212344200112 has 40 divisors (see below), whose sum is σ = 60802511900592. Its totient is φ = 15521593939200.

The previous prime is 31212344200013. The next prime is 31212344200199. The reversal of 31212344200112 is 21100244321213.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4627439 + ... + 9156302.

Almost surely, 2^{31212344200112} is an apocalyptic number.

It is an amenable number.

31212344200112 is a deficient number, since it is larger than the sum of its proper divisors (29590167700480).

31212344200112 is a wasteful number, since it uses less digits than its factorization.

31212344200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13784517 (or 13784511 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 31212344200112 its reverse (21100244321213), we get a palindrome (52312588521325).

The spelling of 31212344200112 in words is "thirty-one trillion, two hundred twelve billion, three hundred forty-four million, two hundred thousand, one hundred twelve".