12141401321 has 4 divisors (see below), whose sum is σ = 13875887232. Its totient is φ = 10406915412.

The previous prime is 12141401303. The next prime is 12141401323. The reversal of 12141401321 is 12310414121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12310414121 = 149 ⋅82620229.

It is a cyclic number.

It is not a de Polignac number, because 12141401321 - 2⁶ = 12141401257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12141401293 and 12141401302.

It is not an unprimeable number, because it can be changed into a prime (12141401323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867242945 + ... + 867242958.

It is an arithmetic number, because the mean of its divisors is an integer number (3468971808).

Almost surely, 2^12141401321 is an apocalyptic number.

It is an amenable number.

12141401321 is a deficient number, since it is larger than the sum of its proper divisors (1734485911).

12141401321 is an equidigital number, since it uses as much as digits as its factorization.

12141401321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734485910.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12141401321 its reverse (12310414121), we get a palindrome (24451815442).

The spelling of 12141401321 in words is "twelve billion, one hundred forty-one million, four hundred one thousand, three hundred twenty-one".