13333220021200 has 30 divisors (see below), whose sum is σ = 32033061101894. Its totient is φ = 5333288008320.

The previous prime is 13333220021129. The next prime is 13333220021267. The reversal of 13333220021200 is 212002233331.

It can be written as a sum of positive squares in 3 ways, for example, as 23156317584 + 13310063703616 = 152172^2 + 3648296^2 .

It is a super-2 number, since 2×13333220021200² (a number of 27 digits) contains 22 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, 16666524627 + ... + 16666525426.

Almost surely, 2^{13333220021200} is an apocalyptic number.

13333220021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13333220021200 is an abundant number, since it is smaller than the sum of its proper divisors (18699841080694).

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

13333220021200 is a wasteful number, since it uses less digits than its factorization.

13333220021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333050071 (or 33333050060 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13333220021200 its reverse (212002233331), we get a palindrome (13545222254531).

The spelling of 13333220021200 in words is "thirteen trillion, three hundred thirty-three billion, two hundred twenty million, twenty-one thousand, two hundred".