812231437200734 has 16 divisors (see below), whose sum is σ = 1239004743303600. Its totient is φ = 399229940940864.

The previous prime is 812231437200709. The next prime is 812231437200737. The reversal of 812231437200734 is 437002734132218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812231437200737) 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, 1907957 + ... + 40349760.

It is an arithmetic number, because the mean of its divisors is an integer number (77437796456475).

Almost surely, 2^{812231437200734} is an apocalyptic number.

812231437200734 is a deficient number, since it is larger than the sum of its proper divisors (426773306102866).

812231437200734 is a wasteful number, since it uses less digits than its factorization.

812231437200734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42420667.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 812231437200734 in words is "eight hundred twelve trillion, two hundred thirty-one billion, four hundred thirty-seven million, two hundred thousand, seven hundred thirty-four".