12301131312 has 40 divisors (see below), whose sum is σ = 35308804080. Its totient is φ = 4100376960.

The previous prime is 12301131251. The next prime is 12301131319. The reversal of 12301131312 is 21313110321.

12301131312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12301131319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14236989 + ... + 14237852.

It is an arithmetic number, because the mean of its divisors is an integer number (882720102).

Almost surely, 2^12301131312 is an apocalyptic number.

12301131312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12301131312 is an abundant number, since it is smaller than the sum of its proper divisors (23007672768).

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

12301131312 is a wasteful number, since it uses less digits than its factorization.

12301131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28474858 (or 28474846 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12301131312 its reverse (21313110321), we get a palindrome (33614241633).

The spelling of 12301131312 in words is "twelve billion, three hundred one million, one hundred thirty-one thousand, three hundred twelve".