12001104103121 has 16 divisors (see below), whose sum is σ = 14652902338560. Its totient is φ = 9599805856080.

The previous prime is 12001104103097. The next prime is 12001104103133. The reversal of 12001104103121 is 12130140110021.

It is a cyclic number.

It is not a de Polignac number, because 12001104103121 - 2²² = 12001099908817 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001104103121.

It is not an unprimeable number, because it can be changed into a prime (12001104603121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673378145 + ... + 673395966.

It is an arithmetic number, because the mean of its divisors is an integer number (915806396160).

Almost surely, 2^{12001104103121} is an apocalyptic number.

It is an amenable number.

12001104103121 is a deficient number, since it is larger than the sum of its proper divisors (2651798235439).

12001104103121 is a wasteful number, since it uses less digits than its factorization.

12001104103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346774204.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12001104103121 its reverse (12130140110021), we get a palindrome (24131244213142).

The spelling of 12001104103121 in words is "twelve trillion, one billion, one hundred four million, one hundred three thousand, one hundred twenty-one".