12004511123453 has 4 divisors (see below), whose sum is σ = 12012923536320. Its totient is φ = 11996098710588.

The previous prime is 12004511123443. The next prime is 12004511123531. The reversal of 12004511123453 is 35432111540021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12004511123453 - 2³⁶ = 11935791646717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004511123413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206204293 + ... + 4206207146.

It is an arithmetic number, because the mean of its divisors is an integer number (3003230884080).

Almost surely, 2^{12004511123453} is an apocalyptic number.

It is an amenable number.

12004511123453 is a deficient number, since it is larger than the sum of its proper divisors (8412412867).

12004511123453 is an equidigital number, since it uses as much as digits as its factorization.

12004511123453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8412412866.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 12004511123453 its reverse (35432111540021), we get a palindrome (47436622663474).

The spelling of 12004511123453 in words is "twelve trillion, four billion, five hundred eleven million, one hundred twenty-three thousand, four hundred fifty-three".