13223331212012 has 12 divisors (see below), whose sum is σ = 23633187698400. Its totient is φ = 6470991869616.

The previous prime is 13223331212011. The next prime is 13223331212017. The reversal of 13223331212012 is 21021213332231.

It is not an unprimeable number, because it can be changed into a prime (13223331212011) 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, 35168433887 + ... + 35168434262.

It is an arithmetic number, because the mean of its divisors is an integer number (1969432308200).

Almost surely, 2^{13223331212012} is an apocalyptic number.

It is an amenable number.

13223331212012 is a deficient number, since it is larger than the sum of its proper divisors (10409856486388).

13223331212012 is a wasteful number, since it uses less digits than its factorization.

13223331212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70336868200 (or 70336868198 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13223331212012 its reverse (21021213332231), we get a palindrome (34244544544243).

The spelling of 13223331212012 in words is "thirteen trillion, two hundred twenty-three billion, three hundred thirty-one million, two hundred twelve thousand, twelve".