805250012 has 12 divisors (see below), whose sum is σ = 1610500080. Its totient is φ = 345107136.

The previous prime is 805250011. The next prime is 805250021. The reversal of 805250012 is 210052508.

805250012 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 805250012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805250011) 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, 14379437 + ... + 14379492.

It is an arithmetic number, because the mean of its divisors is an integer number (134208340).

Almost surely, 2^805250012 is an apocalyptic number.

It is an amenable number.

805250012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

805250012 is a wasteful number, since it uses less digits than its factorization.

805250012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28758940 (or 28758938 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 805250012 is about 28376.9274587648. The cubic root of 805250012 is about 930.3440404379.

The spelling of 805250012 in words is "eight hundred five million, two hundred fifty thousand, twelve".