12131311311300 has 144 divisors (see below), whose sum is σ = 36342805786560. Its totient is φ = 3120665264640.

The previous prime is 12131311311277. The next prime is 12131311311313. The reversal of 12131311311300 is 311311313121.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9093727 + ... + 10342073.

It is an arithmetic number, because the mean of its divisors is an integer number (252380595740).

Almost surely, 2^{12131311311300} is an apocalyptic number.

12131311311300 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 12131311311300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18171402893280).

12131311311300 is an abundant number, since it is smaller than the sum of its proper divisors (24211494475260).

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

12131311311300 is a wasteful number, since it uses less digits than its factorization.

12131311311300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249510 (or 1249503 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 12131311311300 its reverse (311311313121), we get a palindrome (12442622624421).

The spelling of 12131311311300 in words is "twelve trillion, one hundred thirty-one billion, three hundred eleven million, three hundred eleven thousand, three hundred".