12875110121 has 4 divisors (see below), whose sum is σ = 12876255744. Its totient is φ = 12873964500.

The previous prime is 12875110097. The next prime is 12875110189. The reversal of 12875110121 is 12101157821.

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 12875110121 - 2¹⁰ = 12875109097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12875110621) 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, 555785 + ... + 578486.

It is an arithmetic number, because the mean of its divisors is an integer number (3219063936).

Almost surely, 2^12875110121 is an apocalyptic number.

It is an amenable number.

12875110121 is a deficient number, since it is larger than the sum of its proper divisors (1145623).

12875110121 is a wasteful number, since it uses less digits than its factorization.

12875110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145622.

The product of its (nonzero) digits is 1120, while the sum is 29.

Adding to 12875110121 its reverse (12101157821), we get a palindrome (24976267942).

The spelling of 12875110121 in words is "twelve billion, eight hundred seventy-five million, one hundred ten thousand, one hundred twenty-one".