13321213112012 has 12 divisors (see below), whose sum is σ = 25105363172736. Its totient is φ = 6148252205520.

The previous prime is 13321213112003. The next prime is 13321213112021. The reversal of 13321213112012 is 21021131212331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13321213112003) and next prime (13321213112021).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128088587564 + ... + 128088587667.

It is an arithmetic number, because the mean of its divisors is an integer number (2092113597728).

Almost surely, 2^{13321213112012} is an apocalyptic number.

It is an amenable number.

13321213112012 is a deficient number, since it is larger than the sum of its proper divisors (11784150060724).

13321213112012 is a wasteful number, since it uses less digits than its factorization.

13321213112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256177175248 (or 256177175246 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13321213112012 its reverse (21021131212331), we get a palindrome (34342344324343).

The spelling of 13321213112012 in words is "thirteen trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred twelve thousand, twelve".