782212023212 has 24 divisors (see below), whose sum is σ = 1400804960016. Its totient is φ = 381983329728.

The previous prime is 782212023199. The next prime is 782212023221. The reversal of 782212023212 is 212320212287.

It is a super-2 number, since 2×782212023212² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2376818 + ... + 2685830.

It is an arithmetic number, because the mean of its divisors is an integer number (58366873334).

Almost surely, 2^782212023212 is an apocalyptic number.

It is an amenable number.

782212023212 is a deficient number, since it is larger than the sum of its proper divisors (618592936804).

782212023212 is a wasteful number, since it uses less digits than its factorization.

782212023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323777 (or 323775 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 782212023212 its reverse (212320212287), we get a palindrome (994532235499).

The spelling of 782212023212 in words is "seven hundred eighty-two billion, two hundred twelve million, twenty-three thousand, two hundred twelve".