812210336205 has 8 divisors (see below), whose sum is σ = 1299536537952. Its totient is φ = 433178845968.

The previous prime is 812210336141. The next prime is 812210336207. The reversal of 812210336205 is 502633012218.

812210336205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 812210336205 - 2⁶ = 812210336141 is a prime.

It is a super-3 number, since 3×812210336205³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812210336207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27073677859 + ... + 27073677888.

It is an arithmetic number, because the mean of its divisors is an integer number (162442067244).

Almost surely, 2^812210336205 is an apocalyptic number.

It is an amenable number.

812210336205 is a deficient number, since it is larger than the sum of its proper divisors (487326201747).

812210336205 is a wasteful number, since it uses less digits than its factorization.

812210336205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54147355755.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 812210336205 in words is "eight hundred twelve billion, two hundred ten million, three hundred thirty-six thousand, two hundred five".