12321060312 has 32 divisors (see below), whose sum is σ = 33602892480. Its totient is φ = 3733654560.

The previous prime is 12321060307. The next prime is 12321060313. The reversal of 12321060312 is 21306012321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321060313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23335078 + ... + 23335605.

It is an arithmetic number, because the mean of its divisors is an integer number (1050090390).

Almost surely, 2^12321060312 is an apocalyptic number.

12321060312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12321060312 is an abundant number, since it is smaller than the sum of its proper divisors (21281832168).

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

12321060312 is a wasteful number, since it uses less digits than its factorization.

12321060312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46670703 (or 46670699 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12321060312 its reverse (21306012321), we get a palindrome (33627072633).

The spelling of 12321060312 in words is "twelve billion, three hundred twenty-one million, sixty thousand, three hundred twelve".