782333223212 has 12 divisors (see below), whose sum is σ = 1369345102440. Its totient is φ = 391091765376.

The previous prime is 782333223167. The next prime is 782333223311. The reversal of 782333223212 is 212322333287.

It is a super-2 number, since 2×782333223212² (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 3 ways as a sum of consecutive naturals, for example, 18688037 + ... + 18729852.

It is an arithmetic number, because the mean of its divisors is an integer number (114112091870).

Almost surely, 2^782333223212 is an apocalyptic number.

It is an amenable number.

782333223212 is a deficient number, since it is larger than the sum of its proper divisors (587011879228).

782333223212 is a wasteful number, since it uses less digits than its factorization.

782333223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37423120 (or 37423118 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

Adding to 782333223212 its reverse (212322333287), we get a palindrome (994655556499).

The spelling of 782333223212 in words is "seven hundred eighty-two billion, three hundred thirty-three million, two hundred twenty-three thousand, two hundred twelve".