812036250 has 240 divisors, whose sum is σ = 2412352800. Its totient is φ = 196560000.

The previous prime is 812036233. The next prime is 812036273. The reversal of 812036250 is 52630218.

It is a Curzon 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 119 ways as a sum of consecutive naturals, for example, 6198685 + ... + 6198815.

It is an arithmetic number, because the mean of its divisors is an integer number (10051470).

Almost surely, 2^812036250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812036250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206176400).

812036250 is an abundant number, since it is smaller than the sum of its proper divisors (1600316550).

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

812036250 is a wasteful number, since it uses less digits than its factorization.

812036250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 812036250 is about 28496.2497532570. The cubic root of 812036250 is about 932.9502218732.

Adding to 812036250 its reverse (52630218), we get a palindrome (864666468).

The spelling of 812036250 in words is "eight hundred twelve million, thirty-six thousand, two hundred fifty".