12023561104 has 45 divisors (see below), whose sum is σ = 23662454907. Its totient is φ = 5918576352.

The previous prime is 12023561071. The next prime is 12023561131. The reversal of 12023561104 is 40116532021.

It is a happy number.

The square root of 12023561104 is 109652.

It is a perfect power (a square), and thus also a powerful number.

12023561104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 34649859 + ... + 34650205.

Almost surely, 2^12023561104 is an apocalyptic number.

12023561104 is the 109652-nd square number.

It is an amenable number.

12023561104 is a deficient number, since it is larger than the sum of its proper divisors (11638893803).

12023561104 is an frugal number, since it uses more digits than its factorization.

12023561104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Multiplying 12023561104 by its sum of digits (25), we get a square (300589027600 = 548260²).

The spelling of 12023561104 in words is "twelve billion, twenty-three million, five hundred sixty-one thousand, one hundred four".