12111110310000 has 800 divisors, whose sum is σ = 42706685486080. Its totient is φ = 2938830336000.

The previous prime is 12111110309981. The next prime is 12111110310007. The reversal of 12111110310000 is 1301111121.

It is a super-2 number, since 2×12111110310000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111110310007) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8510969289 + ... + 8510970711.

Almost surely, 2^{12111110310000} is an apocalyptic number.

12111110310000 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 12111110310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21353342743040).

12111110310000 is an abundant number, since it is smaller than the sum of its proper divisors (30595575176080).

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

12111110310000 is a wasteful number, since it uses less digits than its factorization.

12111110310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 12111110310000 its reverse (1301111121), we get a palindrome (12112411421121).

The spelling of 12111110310000 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, three hundred ten thousand".