13112212231322 has 16 divisors (see below), whose sum is σ = 19849424819400. Its totient is φ = 6495741311040.

The previous prime is 13112212231303. The next prime is 13112212231369. The reversal of 13112212231322 is 22313221221131.

13112212231322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9439205484241 + 3673006747081 = 3072329^2 + 1916509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13112212231291 and 13112212231300.

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, 5635172 + ... + 7614432.

Almost surely, 2^{13112212231322} is an apocalyptic number.

13112212231322 is a deficient number, since it is larger than the sum of its proper divisors (6737212588078).

13112212231322 is a wasteful number, since it uses less digits than its factorization.

13112212231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009761.

The product of its digits is 1728, while the sum is 26.

Adding to 13112212231322 its reverse (22313221221131), we get a palindrome (35425433452453).

The spelling of 13112212231322 in words is "thirteen trillion, one hundred twelve billion, two hundred twelve million, two hundred thirty-one thousand, three hundred twenty-two".