13223211112 has 8 divisors (see below), whose sum is σ = 24793520850. Its totient is φ = 6611605552.

The previous prime is 13223211073. The next prime is 13223211233. The reversal of 13223211112 is 21111232231.

It can be written as a sum of positive squares in only one way, i.e., 11044748836 + 2178462276 = 105094^2 + 46674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13223211112² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13223211112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826450687 + ... + 826450702.

Almost surely, 2^13223211112 is an apocalyptic number.

It is an amenable number.

13223211112 is a deficient number, since it is larger than the sum of its proper divisors (11570309738).

13223211112 is a wasteful number, since it uses less digits than its factorization.

13223211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652901395 (or 1652901391 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 13223211112 its reverse (21111232231), we get a palindrome (34334443343).

The spelling of 13223211112 in words is "thirteen billion, two hundred twenty-three million, two hundred eleven thousand, one hundred twelve".