12031110231100 has 36 divisors (see below), whose sum is σ = 26169818383800. Its totient is φ = 4800958528960.

The previous prime is 12031110231083. The next prime is 12031110231157. The reversal of 12031110231100 is 113201113021.

It is a happy number.

It is a super-2 number, since 2×12031110231100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143527435 + ... + 143611234.

It is an arithmetic number, because the mean of its divisors is an integer number (726939399550).

Almost surely, 2^{12031110231100} is an apocalyptic number.

12031110231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031110231100 is an abundant number, since it is smaller than the sum of its proper divisors (14138708152700).

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

12031110231100 is a wasteful number, since it uses less digits than its factorization.

12031110231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287139102 (or 287139095 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12031110231100 its reverse (113201113021), we get a palindrome (12144311344121).

The spelling of 12031110231100 in words is "twelve trillion, thirty-one billion, one hundred ten million, two hundred thirty-one thousand, one hundred".