13111323201200 has 120 divisors (see below), whose sum is σ = 36356383325280. Its totient is φ = 4450802688000.

The previous prime is 13111323201199. The next prime is 13111323201239. The reversal of 13111323201200 is 210232311131.

It is a happy number.

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

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, 22898465 + ... + 23464064.

It is an arithmetic number, because the mean of its divisors is an integer number (302969861044).

Almost surely, 2^{13111323201200} is an apocalyptic number.

13111323201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111323201200 is an abundant number, since it is smaller than the sum of its proper divisors (23245060124080).

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

13111323201200 is a wasteful number, since it uses less digits than its factorization.

13111323201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46362655 (or 46362644 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13111323201200 its reverse (210232311131), we get a palindrome (13321555512331).

The spelling of 13111323201200 in words is "thirteen trillion, one hundred eleven billion, three hundred twenty-three million, two hundred one thousand, two hundred".