13222243012 has 24 divisors (see below), whose sum is σ = 25858137312. Its totient is φ = 5863521600.

The previous prime is 13222243007. The next prime is 13222243091. The reversal of 13222243012 is 21034222231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3662898 + ... + 3666505.

It is an arithmetic number, because the mean of its divisors is an integer number (1077422388).

Almost surely, 2^13222243012 is an apocalyptic number.

It is an amenable number.

13222243012 is a deficient number, since it is larger than the sum of its proper divisors (12635894300).

13222243012 is a wasteful number, since it uses less digits than its factorization.

13222243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329459 (or 7329457 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13222243012 its reverse (21034222231), we get a palindrome (34256465243).

The spelling of 13222243012 in words is "thirteen billion, two hundred twenty-two million, two hundred forty-three thousand, twelve".