12031032312312 has 64 divisors (see below), whose sum is σ = 32536493230080. Its totient is φ = 3685255823232.

The previous prime is 12031032312301. The next prime is 12031032312317. The reversal of 12031032312312 is 21321323013021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031032312317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86390068 + ... + 86529219.

It is an arithmetic number, because the mean of its divisors is an integer number (508382706720).

Almost surely, 2^{12031032312312} is an apocalyptic number.

12031032312312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031032312312 is an abundant number, since it is smaller than the sum of its proper divisors (20505460917768).

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

12031032312312 is a wasteful number, since it uses less digits than its factorization.

12031032312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172919532 (or 172919528 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12031032312312 its reverse (21321323013021), we get a palindrome (33352355325333).

The spelling of 12031032312312 in words is "twelve trillion, thirty-one billion, thirty-two million, three hundred twelve thousand, three hundred twelve".