13200321243400 has 96 divisors (see below), whose sum is σ = 30772360130400. Its totient is φ = 5266104307200.

The previous prime is 13200321243371. The next prime is 13200321243443. The reversal of 13200321243400 is 434212300231.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127745755 + ... + 127849045.

It is an arithmetic number, because the mean of its divisors is an integer number (320545418025).

Almost surely, 2^{13200321243400} is an apocalyptic number.

13200321243400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13200321243400 is an abundant number, since it is smaller than the sum of its proper divisors (17572038887000).

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

13200321243400 is a wasteful number, since it uses less digits than its factorization.

13200321243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104999 (or 104990 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13200321243400 its reverse (434212300231), we get a palindrome (13634533543631).

The spelling of 13200321243400 in words is "thirteen trillion, two hundred billion, three hundred twenty-one million, two hundred forty-three thousand, four hundred".