12102044020121 has 24 divisors (see below), whose sum is σ = 13410496365120. Its totient is φ = 10829934248000.

The previous prime is 12102044020049. The next prime is 12102044020153.

12102044020121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12102044020121 - 2¹⁰ = 12102044019097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102044020093 and 12102044020102.

It is not an unprimeable number, because it can be changed into a prime (12102044020421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33069140 + ... + 33433098.

It is an arithmetic number, because the mean of its divisors is an integer number (558770681880).

Almost surely, 2^{12102044020121} is an apocalyptic number.

12102044020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12102044020121 is a deficient number, since it is larger than the sum of its proper divisors (1308452344999).

12102044020121 is a wasteful number, since it uses less digits than its factorization.

12102044020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364417 (or 364244 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 1210204 and 4020121, that added together give a palindrome (5230325).

The spelling of 12102044020121 in words is "twelve trillion, one hundred two billion, forty-four million, twenty thousand, one hundred twenty-one".