13111223130000 has 600 divisors, whose sum is σ = 47027008084056. Its totient is φ = 3406924800000.

The previous prime is 13111223129999. The next prime is 13111223130029. The reversal of 13111223130000 is 3132211131.

13111223130000 is a `hidden beast` number, since 1 + 311 + 1 + 22 + 31 + 300 + 0 + 0 = 666.

13111223130000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 20 ways, for example, as 7485958658304 + 5625264471696 = 2736048^2 + 2371764^2 .

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4121728410 + ... + 4121731590.

Almost surely, 2^{13111223130000} is an apocalyptic number.

13111223130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111223130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23513504042028).

13111223130000 is an abundant number, since it is smaller than the sum of its proper divisors (33915784954056).

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

13111223130000 is a wasteful number, since it uses less digits than its factorization.

13111223130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13111223130000 its reverse (3132211131), we get a palindrome (13114355341131).

The spelling of 13111223130000 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-three million, one hundred thirty thousand".