789023221012 has 36 divisors (see below), whose sum is σ = 1569387903636. Its totient is φ = 344997999360.

The previous prime is 789023220989. The next prime is 789023221037. The reversal of 789023221012 is 210122320987.

It can be written as a sum of positive squares in 2 ways, for example, as 172254881296 + 616768339716 = 415036^2 + 785346^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20997189 + ... + 21034732.

Almost surely, 2^789023221012 is an apocalyptic number.

It is an amenable number.

789023221012 is a deficient number, since it is larger than the sum of its proper divisors (780364682624).

789023221012 is a wasteful number, since it uses less digits than its factorization.

789023221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42031976 (or 42031955 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 789023221012 its reverse (210122320987), we get a palindrome (999145541999).

The spelling of 789023221012 in words is "seven hundred eighty-nine billion, twenty-three million, two hundred twenty-one thousand, twelve".