13311023212 has 12 divisors (see below), whose sum is σ = 23296712656. Its totient is φ = 6654819600.

The previous prime is 13311023191. The next prime is 13311023213. The reversal of 13311023212 is 21232011331.

It is a self number, because there is not a number n which added to its sum of digits gives 13311023212.

It is not an unprimeable number, because it can be changed into a prime (13311023213) 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, 128448 + ... + 207655.

Almost surely, 2^13311023212 is an apocalyptic number.

It is an amenable number.

13311023212 is a deficient number, since it is larger than the sum of its proper divisors (9985689444).

13311023212 is a wasteful number, since it uses less digits than its factorization.

13311023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346008 (or 346006 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13311023212 its reverse (21232011331), we get a palindrome (34543034543).

The spelling of 13311023212 in words is "thirteen billion, three hundred eleven million, twenty-three thousand, two hundred twelve".