13311232220012 has 24 divisors (see below), whose sum is σ = 23429950790400. Its totient is φ = 6616962678656.

The previous prime is 13311232219991. The next prime is 13311232220047. The reversal of 13311232220012 is 21002223211331.

It is a self number, because there is not a number n which added to its sum of digits gives 13311232220012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26992064 + ... + 27480792.

It is an arithmetic number, because the mean of its divisors is an integer number (976247949600).

Almost surely, 2^{13311232220012} is an apocalyptic number.

It is an amenable number.

13311232220012 is a deficient number, since it is larger than the sum of its proper divisors (10118718570388).

13311232220012 is a wasteful number, since it uses less digits than its factorization.

13311232220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528265 (or 528263 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13311232220012 its reverse (21002223211331), we get a palindrome (34313455431343).

The spelling of 13311232220012 in words is "thirteen trillion, three hundred eleven billion, two hundred thirty-two million, two hundred twenty thousand, twelve".