13252221200 has 30 divisors (see below), whose sum is σ = 31838462394. Its totient is φ = 5300888320.

The previous prime is 13252221197. The next prime is 13252221209. The reversal of 13252221200 is 212225231.

It can be written as a sum of positive squares in 3 ways, for example, as 18939904 + 13233281296 = 4352^2 + 115036^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13252221209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16564877 + ... + 16565676.

Almost surely, 2^13252221200 is an apocalyptic number.

13252221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13252221200 is an abundant number, since it is smaller than the sum of its proper divisors (18586241194).

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

13252221200 is a wasteful number, since it uses less digits than its factorization.

13252221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33130571 (or 33130560 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 13252221200 its reverse (212225231), we get a palindrome (13464446431).

The spelling of 13252221200 in words is "thirteen billion, two hundred fifty-two million, two hundred twenty-one thousand, two hundred".