12011313231100 has 18 divisors (see below), whose sum is σ = 26064549711704. Its totient is φ = 4804525292400.

The previous prime is 12011313231067. The next prime is 12011313231101. The reversal of 12011313231100 is 113231311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011313231101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60056566056 + ... + 60056566255.

Almost surely, 2^{12011313231100} is an apocalyptic number.

12011313231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011313231100 is an abundant number, since it is smaller than the sum of its proper divisors (14053236480604).

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

12011313231100 is a wasteful number, since it uses less digits than its factorization.

12011313231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120113132325 (or 120113132318 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12011313231100 its reverse (113231311021), we get a palindrome (12124544542121).

The spelling of 12011313231100 in words is "twelve trillion, eleven billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred".