10312323012 has 72 divisors (see below), whose sum is σ = 27854026200. Its totient is φ = 3205536768.

The previous prime is 10312322989. The next prime is 10312323053. The reversal of 10312323012 is 21032321301.

10312323012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4171093056 + 6141229956 = 64584^2 + 78366^2 .

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10587 + ... + 144002.

It is an arithmetic number, because the mean of its divisors is an integer number (386861475).

Almost surely, 2^10312323012 is an apocalyptic number.

10312323012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10312323012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13927013100).

10312323012 is an abundant number, since it is smaller than the sum of its proper divisors (17541703188).

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

10312323012 is a wasteful number, since it uses less digits than its factorization.

10312323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154725 (or 154720 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10312323012 its reverse (21032321301), we get a palindrome (31344644313).

The spelling of 10312323012 in words is "ten billion, three hundred twelve million, three hundred twenty-three thousand, twelve".