791217212 has 12 divisors (see below), whose sum is σ = 1387476720. Its totient is φ = 394795296.

The previous prime is 791217211. The next prime is 791217233. The reversal of 791217212 is 212712197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791217211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201137 + ... + 205032.

It is an arithmetic number, because the mean of its divisors is an integer number (115623060).

Almost surely, 2^791217212 is an apocalyptic number.

It is an amenable number.

791217212 is a deficient number, since it is larger than the sum of its proper divisors (596259508).

791217212 is a wasteful number, since it uses less digits than its factorization.

791217212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406660 (or 406658 counting only the distinct ones).

The product of its digits is 3528, while the sum is 32.

The square root of 791217212 is about 28128.5835405909. The cubic root of 791217212 is about 924.9080841709.

The spelling of 791217212 in words is "seven hundred ninety-one million, two hundred seventeen thousand, two hundred twelve".