12141020221 has 16 divisors (see below), whose sum is σ = 13390697088. Its totient is φ = 10915912000.

The previous prime is 12141020153. The next prime is 12141020267. The reversal of 12141020221 is 12202014121.

12141020221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12141020221 - 2²³ = 12132631613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12141020195 and 12141020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12141020321) 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, 1086555 + ... + 1097671.

It is an arithmetic number, because the mean of its divisors is an integer number (836918568).

Almost surely, 2^12141020221 is an apocalyptic number.

12141020221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12141020221 is a deficient number, since it is larger than the sum of its proper divisors (1249676867).

12141020221 is a wasteful number, since it uses less digits than its factorization.

12141020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12141020221 its reverse (12202014121), we get a palindrome (24343034342).

The spelling of 12141020221 in words is "twelve billion, one hundred forty-one million, twenty thousand, two hundred twenty-one".