2112681317612 has 6 divisors (see below), whose sum is σ = 3697192305828. Its totient is φ = 1056340658804.

The previous prime is 2112681317599. The next prime is 2112681317629. The reversal of 2112681317612 is 2167131862112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112681317612.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264085164698 + ... + 264085164705.

It is an arithmetic number, because the mean of its divisors is an integer number (616198717638).

Almost surely, 2^{2112681317612} is an apocalyptic number.

It is an amenable number.

2112681317612 is a deficient number, since it is larger than the sum of its proper divisors (1584510988216).

2112681317612 is a wasteful number, since it uses less digits than its factorization.

2112681317612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528170329407 (or 528170329405 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The spelling of 2112681317612 in words is "two trillion, one hundred twelve billion, six hundred eighty-one million, three hundred seventeen thousand, six hundred twelve".