12111012311000 has 64 divisors (see below), whose sum is σ = 28942742724480. Its totient is φ = 4741332460800.

The previous prime is 12111012310981. The next prime is 12111012311161. The reversal of 12111012311000 is 11321011121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128793557 + ... + 128887556.

It is an arithmetic number, because the mean of its divisors is an integer number (452230355070).

Almost surely, 2^{12111012311000} is an apocalyptic number.

12111012311000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111012311000 is an abundant number, since it is smaller than the sum of its proper divisors (16831730413480).

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

12111012311000 is a wasteful number, since it uses less digits than its factorization.

12111012311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257681181 (or 257681167 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12111012311000 its reverse (11321011121), we get a palindrome (12122333322121).

The spelling of 12111012311000 in words is "twelve trillion, one hundred eleven billion, twelve million, three hundred eleven thousand".