13223311012 has 6 divisors (see below), whose sum is σ = 23140794278. Its totient is φ = 6611655504.

The previous prime is 13223311009. The next prime is 13223311033. The reversal of 13223311012 is 21011332231.

It can be written as a sum of positive squares in only one way, i.e., 8270811136 + 4952499876 = 90944^2 + 70374^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652913873 + ... + 1652913880.

Almost surely, 2^13223311012 is an apocalyptic number.

It is an amenable number.

13223311012 is a deficient number, since it is larger than the sum of its proper divisors (9917483266).

13223311012 is a wasteful number, since it uses less digits than its factorization.

13223311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305827757 (or 3305827755 counting only the distinct ones).

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

Adding to 13223311012 its reverse (21011332231), we get a palindrome (34234643243).

The spelling of 13223311012 in words is "thirteen billion, two hundred twenty-three million, three hundred eleven thousand, twelve".