12312301312 has 72 divisors (see below), whose sum is σ = 25264551312. Its totient is φ = 5984870400.

The previous prime is 12312301301. The next prime is 12312301409. The reversal of 12312301312 is 21310321321.

It is a self number, because there is not a number n which added to its sum of digits gives 12312301312.

It is a congruent number.

It is an unprimeable number.

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, 3220362 + ... + 3224182.

It is an arithmetic number, because the mean of its divisors is an integer number (350896546).

Almost surely, 2^12312301312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12312301312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12632275656).

12312301312 is an abundant number, since it is smaller than the sum of its proper divisors (12952250000).

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

12312301312 is an equidigital number, since it uses as much as digits as its factorization.

12312301312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4171 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12312301312 its reverse (21310321321), we get a palindrome (33622622633).

The spelling of 12312301312 in words is "twelve billion, three hundred twelve million, three hundred one thousand, three hundred twelve".