812112114 has 64 divisors (see below), whose sum is σ = 1851569280. Its totient is φ = 235200000.

The previous prime is 812112113. The next prime is 812112121. The reversal of 812112114 is 411211218.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (812112113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191214 + ... + 195414.

It is an arithmetic number, because the mean of its divisors is an integer number (28930770).

Almost surely, 2^812112114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812112114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925784640).

812112114 is an abundant number, since it is smaller than the sum of its proper divisors (1039457166).

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

812112114 is a wasteful number, since it uses less digits than its factorization.

812112114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347.

The product of its digits is 128, while the sum is 21.

The square root of 812112114 is about 28497.5808446963. The cubic root of 812112114 is about 932.9792744070.

The spelling of 812112114 in words is "eight hundred twelve million, one hundred twelve thousand, one hundred fourteen".