1326220073200 has 60 divisors (see below), whose sum is σ = 3475902257928. Its totient is φ = 482261843200.

The previous prime is 1326220073183. The next prime is 1326220073207. The reversal of 1326220073200 is 23700226231.

It is a super-2 number, since 2×1326220073200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326220073207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150702427 + ... + 150711226.

Almost surely, 2^{1326220073200} is an apocalyptic number.

1326220073200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326220073200 is an abundant number, since it is smaller than the sum of its proper divisors (2149682184728).

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

1326220073200 is a wasteful number, since it uses less digits than its factorization.

1326220073200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301413682 (or 301413671 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 1326220073200 its reverse (23700226231), we get a palindrome (1349920299431).

The spelling of 1326220073200 in words is "one trillion, three hundred twenty-six billion, two hundred twenty million, seventy-three thousand, two hundred".