13212443222 has 32 divisors (see below), whose sum is σ = 21824225280. Its totient is φ = 5949175680.

The previous prime is 13212443221. The next prime is 13212443249. The reversal of 13212443222 is 22234421231.

It is a junction number, because it is equal to n+sod(n) for n = 13212443191 and 13212443200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212443221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005598 + ... + 2012174.

It is an arithmetic number, because the mean of its divisors is an integer number (682007040).

Almost surely, 2^13212443222 is an apocalyptic number.

13212443222 is a deficient number, since it is larger than the sum of its proper divisors (8611782058).

13212443222 is a wasteful number, since it uses less digits than its factorization.

13212443222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7436.

The product of its digits is 4608, while the sum is 26.

Adding to 13212443222 its reverse (22234421231), we get a palindrome (35446864453).

The spelling of 13212443222 in words is "thirteen billion, two hundred twelve million, four hundred forty-three thousand, two hundred twenty-two".