12140204121 has 12 divisors (see below), whose sum is σ = 17549284272. Its totient is φ = 8087269176.

The previous prime is 12140204119. The next prime is 12140204171.

12140204121 is nontrivially palindromic in base 10.

12140204121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12140204121 - 2¹ = 12140204119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12140204094 and 12140204103.

It is not an unprimeable number, because it can be changed into a prime (12140204171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504271 + ... + 527796.

It is an arithmetic number, because the mean of its divisors is an integer number (1462440356).

Almost surely, 2^12140204121 is an apocalyptic number.

It is an amenable number.

12140204121 is a deficient number, since it is larger than the sum of its proper divisors (5409080151).

12140204121 is a wasteful number, since it uses less digits than its factorization.

12140204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033380 (or 1033377 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 12140204121 in words is "twelve billion, one hundred forty million, two hundred four thousand, one hundred twenty-one".