13222301312 has 32 divisors (see below), whose sum is σ = 28735970400. Its totient is φ = 6010136320.

The previous prime is 13222301311. The next prime is 13222301321. The reversal of 13222301312 is 21310322231.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (13222301311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4694012 + ... + 4696827.

It is an arithmetic number, because the mean of its divisors is an integer number (897999075).

Almost surely, 2^13222301312 is an apocalyptic number.

It is an amenable number.

13222301312 is an abundant number, since it is smaller than the sum of its proper divisors (15513669088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222301312 is an equidigital number, since it uses as much as digits as its factorization.

13222301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390864 (or 9390852 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13222301312 its reverse (21310322231), we get a palindrome (34532623543).

The spelling of 13222301312 in words is "thirteen billion, two hundred twenty-two million, three hundred one thousand, three hundred twelve".