12110023121 has 12 divisors (see below), whose sum is σ = 14104586160. Its totient is φ = 10367186760.

The previous prime is 12110023063. The next prime is 12110023129. The reversal of 12110023121 is 12132001121.

It is not a de Polignac number, because 12110023121 - 2³⁰ = 11036281297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110023096 and 12110023105.

It is not an unprimeable number, because it can be changed into a prime (12110023129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112631 + ... + 192108.

It is an arithmetic number, because the mean of its divisors is an integer number (1175382180).

Almost surely, 2^12110023121 is an apocalyptic number.

It is an amenable number.

12110023121 is a deficient number, since it is larger than the sum of its proper divisors (1994563039).

12110023121 is an equidigital number, since it uses as much as digits as its factorization.

12110023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305564 (or 305557 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12110023121 its reverse (12132001121), we get a palindrome (24242024242).

The spelling of 12110023121 in words is "twelve billion, one hundred ten million, twenty-three thousand, one hundred twenty-one".