12031331303112 has 32 divisors (see below), whose sum is σ = 32812721736480. Its totient is φ = 3645857970560.

The previous prime is 12031331303087. The next prime is 12031331303143. The reversal of 12031331303112 is 21130313313021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22786612053 + ... + 22786612580.

It is an arithmetic number, because the mean of its divisors is an integer number (1025397554265).

Almost surely, 2^{12031331303112} is an apocalyptic number.

12031331303112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031331303112 is an abundant number, since it is smaller than the sum of its proper divisors (20781390433368).

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

12031331303112 is a wasteful number, since it uses less digits than its factorization.

12031331303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45573224653 (or 45573224649 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12031331303112 its reverse (21130313313021), we get a palindrome (33161644616133).

The spelling of 12031331303112 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, three hundred three thousand, one hundred twelve".