791312212 has 24 divisors (see below), whose sum is σ = 1435833000. Its totient is φ = 381136896.

The previous prime is 791312167. The next prime is 791312213. The reversal of 791312212 is 212213197.

It can be written as a sum of positive squares in 4 ways, for example, as 398241936 + 393070276 = 19956^2 + 19826^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791312213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44488 + ... + 59680.

It is an arithmetic number, because the mean of its divisors is an integer number (59826375).

Almost surely, 2^791312212 is an apocalyptic number.

It is an amenable number.

791312212 is a deficient number, since it is larger than the sum of its proper divisors (644520788).

791312212 is a wasteful number, since it uses less digits than its factorization.

791312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15675 (or 15673 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 791312212 is about 28130.2721636318. The cubic root of 791312212 is about 924.9451000287.

The spelling of 791312212 in words is "seven hundred ninety-one million, three hundred twelve thousand, two hundred twelve".