812064333243 has 32 divisors (see below), whose sum is σ = 1120015226880. Its totient is φ = 522818795520.

The previous prime is 812064333221. The next prime is 812064333259. The reversal of 812064333243 is 342333460218.

It is not a de Polignac number, because 812064333243 - 2⁸ = 812064332987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (812064333343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168720705 + ... + 168725517.

It is an arithmetic number, because the mean of its divisors is an integer number (35000475840).

Almost surely, 2^812064333243 is an apocalyptic number.

812064333243 is a deficient number, since it is larger than the sum of its proper divisors (307950893637).

812064333243 is a wasteful number, since it uses less digits than its factorization.

812064333243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259.

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 812064333243 in words is "eight hundred twelve billion, sixty-four million, three hundred thirty-three thousand, two hundred forty-three".