12100440004 has 9 divisors (see below), whose sum is σ = 21176155021. Its totient is φ = 6050110000.

The previous prime is 12100439993. The next prime is 12100440007. The reversal of 12100440004 is 40004400121.

The square root of 12100440004 is 110002.

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

12100440004 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 only one way, i.e., 193265604 + 11907174400 = 13902^2 + 109120^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12100440004.

It is not an unprimeable number, because it can be changed into a prime (12100440007) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 192504 + ... + 247504.

Almost surely, 2^12100440004 is an apocalyptic number.

12100440004 is the 110002-nd square number.

It is an amenable number.

12100440004 is a deficient number, since it is larger than the sum of its proper divisors (9075715017).

12100440004 is an frugal number, since it uses more digits than its factorization.

12100440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110006 (or 55003 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Multiplying 12100440004 by its sum of digits (16), we get a square (193607040064 = 440008²).

Adding to 12100440004 its reverse (40004400121), we get a palindrome (52104840125).

The spelling of 12100440004 in words is "twelve billion, one hundred million, four hundred forty thousand, four".