13221301321300 has 18 divisors (see below), whose sum is σ = 28690223867438. Its totient is φ = 5288520528480.

The previous prime is 13221301321297. The next prime is 13221301321321. The reversal of 13221301321300 is 312310312231.

It can be written as a sum of positive squares in 3 ways, for example, as 192406804164 + 13028894517136 = 438642^2 + 3609556^2 .

It is a super-3 number, since 3×13221301321300³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66106506507 + ... + 66106506706.

Almost surely, 2^{13221301321300} is an apocalyptic number.

13221301321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221301321300 is an abundant number, since it is smaller than the sum of its proper divisors (15468922546138).

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

13221301321300 is a wasteful number, since it uses less digits than its factorization.

13221301321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132213013227 (or 132213013220 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13221301321300 its reverse (312310312231), we get a palindrome (13533611633531).

The spelling of 13221301321300 in words is "thirteen trillion, two hundred twenty-one billion, three hundred one million, three hundred twenty-one thousand, three hundred".