812137931112 has 16 divisors (see below), whose sum is σ = 2030344827840. Its totient is φ = 270712643696.

The previous prime is 812137931083. The next prime is 812137931119. The reversal of 812137931112 is 211139731218.

It is not an unprimeable number, because it can be changed into a prime (812137931119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16919540208 + ... + 16919540255.

It is an arithmetic number, because the mean of its divisors is an integer number (126896551740).

Almost surely, 2^812137931112 is an apocalyptic number.

It is an amenable number.

812137931112 is an abundant number, since it is smaller than the sum of its proper divisors (1218206896728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812137931112 is a wasteful number, since it uses less digits than its factorization.

812137931112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33839080472 (or 33839080468 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The spelling of 812137931112 in words is "eight hundred twelve billion, one hundred thirty-seven million, nine hundred thirty-one thousand, one hundred twelve".