812080012 has 12 divisors (see below), whose sum is σ = 1445227560. Its totient is φ = 399157856.

The previous prime is 812080001. The next prime is 812080013. The reversal of 812080012 is 210080218.

812080012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (812080013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1720273 + ... + 1720744.

It is an arithmetic number, because the mean of its divisors is an integer number (120435630).

Almost surely, 2^812080012 is an apocalyptic number.

It is an amenable number.

812080012 is a deficient number, since it is larger than the sum of its proper divisors (633147548).

812080012 is a wasteful number, since it uses less digits than its factorization.

812080012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441080 (or 3441078 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 812080012 is about 28497.0175983383. The cubic root of 812080012 is about 932.9669809913.

The spelling of 812080012 in words is "eight hundred twelve million, eighty thousand, twelve".