13221322134132 has 24 divisors (see below), whose sum is σ = 35256859024576. Its totient is φ = 3777520609728.

The previous prime is 13221322134107. The next prime is 13221322134143. The reversal of 13221322134132 is 23143122312231.

It is a super-3 number, since 3×13221322134132³ (a number of 40 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13221322134132.

It is a congruent number.

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, 78698345953 + ... + 78698346120.

Almost surely, 2^{13221322134132} is an apocalyptic number.

13221322134132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13221322134132 is an abundant number, since it is smaller than the sum of its proper divisors (22035536890444).

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

13221322134132 is a wasteful number, since it uses less digits than its factorization.

13221322134132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157396692087 (or 157396692085 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 13221322134132 its reverse (23143122312231), we get a palindrome (36364444446363).

The spelling of 13221322134132 in words is "thirteen trillion, two hundred twenty-one billion, three hundred twenty-two million, one hundred thirty-four thousand, one hundred thirty-two".