12141123400121 has 4 divisors (see below), whose sum is σ = 12141151140432. Its totient is φ = 12141095659812.

The previous prime is 12141123400099. The next prime is 12141123400129. The reversal of 12141123400121 is 12100432114121.

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 12141123400121 - 2¹⁴ = 12141123383737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12141123400129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13202951 + ... + 14092556.

It is an arithmetic number, because the mean of its divisors is an integer number (3035287785108).

Almost surely, 2^{12141123400121} is an apocalyptic number.

It is an amenable number.

12141123400121 is a deficient number, since it is larger than the sum of its proper divisors (27740311).

12141123400121 is an equidigital number, since it uses as much as digits as its factorization.

12141123400121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27740310.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12141123400121 its reverse (12100432114121), we get a palindrome (24241555514242).

The spelling of 12141123400121 in words is "twelve trillion, one hundred forty-one billion, one hundred twenty-three million, four hundred thousand, one hundred twenty-one".