12141142221 has 16 divisors (see below), whose sum is σ = 17451443520. Its totient is φ = 7463754240.

The previous prime is 12141142207. The next prime is 12141142243. The reversal of 12141142221 is 12224114121.

12141142221 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 12141142221 - 2²⁷ = 12006924493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12141142271) 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 15 ways as a sum of consecutive naturals, for example, 122436 + ... + 198173.

It is an arithmetic number, because the mean of its divisors is an integer number (1090715220).

Almost surely, 2^12141142221 is an apocalyptic number.

It is an amenable number.

12141142221 is a deficient number, since it is larger than the sum of its proper divisors (5310301299).

12141142221 is a wasteful number, since it uses less digits than its factorization.

12141142221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321596.

The product of its digits is 256, while the sum is 21.

Adding to 12141142221 its reverse (12224114121), we get a palindrome (24365256342).

The spelling of 12141142221 in words is "twelve billion, one hundred forty-one million, one hundred forty-two thousand, two hundred twenty-one".