12034321012 has 60 divisors (see below), whose sum is σ = 26014175460. Its totient is φ = 4854114048.

The previous prime is 12034320997. The next prime is 12034321051. The reversal of 12034321012 is 21012343021.

It is a happy number.

12034321012 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 2 ways, for example, as 3958423056 + 8075897956 = 62916^2 + 89866^2 .

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 126414 + ... + 200122.

It is an arithmetic number, because the mean of its divisors is an integer number (433569591).

Almost surely, 2^12034321012 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 12034321012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13007087730).

12034321012 is an abundant number, since it is smaller than the sum of its proper divisors (13979854448).

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

12034321012 is an equidigital number, since it uses as much as digits as its factorization.

12034321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73758 (or 73735 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12034321012 its reverse (21012343021), we get a palindrome (33046664033).

The spelling of 12034321012 in words is "twelve billion, thirty-four million, three hundred twenty-one thousand, twelve".