12111304004225 has 12 divisors (see below), whose sum is σ = 15035024939376. Its totient is φ = 9678070316880.

The previous prime is 12111304004147. The next prime is 12111304004291. The reversal of 12111304004225 is 52240040311121.

It is a happy number.

It is not a de Polignac number, because 12111304004225 - 2¹⁴ = 12111303987841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12111304004194 and 12111304004203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274299647 + ... + 274343796.

It is an arithmetic number, because the mean of its divisors is an integer number (1252918744948).

Almost surely, 2^{12111304004225} is an apocalyptic number.

It is an amenable number.

12111304004225 is a deficient number, since it is larger than the sum of its proper divisors (2923720935151).

12111304004225 is an equidigital number, since it uses as much as digits as its factorization.

12111304004225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548644336 (or 548644331 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 12111304004225 its reverse (52240040311121), we get a palindrome (64351344315346).

The spelling of 12111304004225 in words is "twelve trillion, one hundred eleven billion, three hundred four million, four thousand, two hundred twenty-five".