13021455200 has 72 divisors (see below), whose sum is σ = 34233933888. Its totient is φ = 4807918080.

The previous prime is 13021455179. The next prime is 13021455211. The reversal of 13021455200 is 255412031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615632 + ... + 636431.

It is an arithmetic number, because the mean of its divisors is an integer number (475471304).

Almost surely, 2^13021455200 is an apocalyptic number.

13021455200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021455200 is an abundant number, since it is smaller than the sum of its proper divisors (21212478688).

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

13021455200 is a wasteful number, since it uses less digits than its factorization.

13021455200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252096 (or 1252083 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 13021455200 its reverse (255412031), we get a palindrome (13276867231).

The spelling of 13021455200 in words is "thirteen billion, twenty-one million, four hundred fifty-five thousand, two hundred".