12311011231110 has 256 divisors, whose sum is σ = 33928641331200. Its totient is φ = 3174574177152.

The previous prime is 12311011231061. The next prime is 12311011231147. The reversal of 12311011231110 is 1113211011321.

12311011231110 is a `hidden beast` number, since 1 + 2 + 311 + 0 + 11 + 231 + 110 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3303194067 + ... + 3303197793.

It is an arithmetic number, because the mean of its divisors is an integer number (132533755200).

Almost surely, 2^{12311011231110} is an apocalyptic number.

12311011231110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311011231110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16964320665600).

12311011231110 is an abundant number, since it is smaller than the sum of its proper divisors (21617630100090).

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

12311011231110 is a wasteful number, since it uses less digits than its factorization.

12311011231110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552 (or 6546 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12311011231110 its reverse (1113211011321), we get a palindrome (13424222242431).

The spelling of 12311011231110 in words is "twelve trillion, three hundred eleven billion, eleven million, two hundred thirty-one thousand, one hundred ten".