13220043112 has 16 divisors (see below), whose sum is σ = 24795144000. Its totient is φ = 6608004720.

The previous prime is 13220043077. The next prime is 13220043173. The reversal of 13220043112 is 21134002231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13220043112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224064 + ... + 276847.

It is an arithmetic number, because the mean of its divisors is an integer number (1549696500).

Almost surely, 2^13220043112 is an apocalyptic number.

It is an amenable number.

13220043112 is a deficient number, since it is larger than the sum of its proper divisors (11575100888).

13220043112 is a wasteful number, since it uses less digits than its factorization.

13220043112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504216 (or 504212 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13220043112 its reverse (21134002231), we get a palindrome (34354045343).

The spelling of 13220043112 in words is "thirteen billion, two hundred twenty million, forty-three thousand, one hundred twelve".