12021340304 has 80 divisors (see below), whose sum is σ = 24350673600. Its totient is φ = 5742116352.

The previous prime is 12021340297. The next prime is 12021340351. The reversal of 12021340304 is 40304312021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31718387 + ... + 31718765.

It is an arithmetic number, because the mean of its divisors is an integer number (304383420).

Almost surely, 2^12021340304 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 12021340304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12175336800).

12021340304 is an abundant number, since it is smaller than the sum of its proper divisors (12329333296).

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

12021340304 is a wasteful number, since it uses less digits than its factorization.

12021340304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12021340304 its reverse (40304312021), we get a palindrome (52325652325).

The spelling of 12021340304 in words is "twelve billion, twenty-one million, three hundred forty thousand, three hundred four".