812245329748 has 12 divisors (see below), whose sum is σ = 1505042817012. Its totient is φ = 382233096320.

The previous prime is 812245329713. The next prime is 812245329761. The reversal of 812245329748 is 847923542218.

812245329748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 739689442704 + 72555887044 = 860052^2 + 269362^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5972392063 + ... + 5972392198.

It is an arithmetic number, because the mean of its divisors is an integer number (125420234751).

Almost surely, 2^812245329748 is an apocalyptic number.

It is an amenable number.

812245329748 is a deficient number, since it is larger than the sum of its proper divisors (692797487264).

812245329748 is a wasteful number, since it uses less digits than its factorization.

812245329748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11944784282 (or 11944784280 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The spelling of 812245329748 in words is "eight hundred twelve billion, two hundred forty-five million, three hundred twenty-nine thousand, seven hundred forty-eight".