13222012112 has 10 divisors (see below), whose sum is σ = 25617648498. Its totient is φ = 6611006048.

The previous prime is 13222012109. The next prime is 13222012121. The reversal of 13222012112 is 21121022231.

It can be written as a sum of positive squares in only one way, i.e., 12995088016 + 226924096 = 113996^2 + 15064^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413187863 + ... + 413187894.

Almost surely, 2^13222012112 is an apocalyptic number.

It is an amenable number.

13222012112 is a deficient number, since it is larger than the sum of its proper divisors (12395636386).

13222012112 is an equidigital number, since it uses as much as digits as its factorization.

13222012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826375765 (or 826375759 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 13222012112 its reverse (21121022231), we get a palindrome (34343034343).

The spelling of 13222012112 in words is "thirteen billion, two hundred twenty-two million, twelve thousand, one hundred twelve".