13223231012 has 12 divisors (see below), whose sum is σ = 23144592240. Its totient is φ = 6610490376.

The previous prime is 13223230997. The next prime is 13223231017. The reversal of 13223231012 is 21013232231.

It is not an unprimeable number, because it can be changed into a prime (13223231017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254558 + ... + 302069.

It is an arithmetic number, because the mean of its divisors is an integer number (1928716020).

Almost surely, 2^13223231012 is an apocalyptic number.

It is an amenable number.

13223231012 is a deficient number, since it is larger than the sum of its proper divisors (9921361228).

13223231012 is a wasteful number, since it uses less digits than its factorization.

13223231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562570 (or 562568 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13223231012 its reverse (21013232231), we get a palindrome (34236463243).

The spelling of 13223231012 in words is "thirteen billion, two hundred twenty-three million, two hundred thirty-one thousand, twelve".