12021153552304 has 80 divisors (see below), whose sum is σ = 25557745449600. Its totient is φ = 5443138741248.

The previous prime is 12021153552269. The next prime is 12021153552361. The reversal of 12021153552304 is 40325535112021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021153552304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189459817 + ... + 189523255.

It is an arithmetic number, because the mean of its divisors is an integer number (319471818120).

Almost surely, 2^{12021153552304} 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 12021153552304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12778872724800).

12021153552304 is an abundant number, since it is smaller than the sum of its proper divisors (13536591897296).

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

12021153552304 is a wasteful number, since it uses less digits than its factorization.

12021153552304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80702 (or 80696 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 12021153552304 its reverse (40325535112021), we get a palindrome (52346688664325).

The spelling of 12021153552304 in words is "twelve trillion, twenty-one billion, one hundred fifty-three million, five hundred fifty-two thousand, three hundred four".