800850212 has 72 divisors (see below), whose sum is σ = 1555686888. Its totient is φ = 360345600.

The previous prime is 800850199. The next prime is 800850233. The reversal of 800850212 is 212058008.

It can be written as a sum of positive squares in 12 ways, for example, as 459930916 + 340919296 = 21446^2 + 18464^2 .

It is a super-2 number, since 2×800850212² = 1282722124120889888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2891018 + ... + 2891294.

Almost surely, 2^800850212 is an apocalyptic number.

800850212 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

800850212 is a deficient number, since it is larger than the sum of its proper divisors (754836676).

800850212 is a wasteful number, since it uses less digits than its factorization.

800850212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 800850212 is about 28299.2970230711. The cubic root of 800850212 is about 928.6465115010.

The spelling of 800850212 in words is "eight hundred million, eight hundred fifty thousand, two hundred twelve".