12004220115023 has 4 divisors (see below), whose sum is σ = 12004668445200. Its totient is φ = 12003771784848.

The previous prime is 12004220114987. The next prime is 12004220115061. The reversal of 12004220115023 is 32051102240021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12004220115023 is a prime.

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 12004220115023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004220115523) 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, 224124923 + ... + 224178476.

It is an arithmetic number, because the mean of its divisors is an integer number (3001167111300).

Almost surely, 2^{12004220115023} is an apocalyptic number.

12004220115023 is a deficient number, since it is larger than the sum of its proper divisors (448330177).

12004220115023 is an equidigital number, since it uses as much as digits as its factorization.

12004220115023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448330176.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12004220115023 its reverse (32051102240021), we get a palindrome (44055322355044).

The spelling of 12004220115023 in words is "twelve trillion, four billion, two hundred twenty million, one hundred fifteen thousand, twenty-three".