12123141 has 4 divisors (see below), whose sum is σ = 16164192. Its totient is φ = 8082092.

The previous prime is 12123107. The next prime is 12123151. The reversal of 12123141 is 14132121.

12123141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12123141 - 2¹⁷ = 11992069 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12123141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020521 + ... + 2020526.

It is an arithmetic number, because the mean of its divisors is an integer number (4041048).

Almost surely, 2^12123141 is an apocalyptic number.

It is an amenable number.

12123141 is a deficient number, since it is larger than the sum of its proper divisors (4041051).

12123141 is an equidigital number, since it uses as much as digits as its factorization.

12123141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041050.

The product of its digits is 48, while the sum is 15.

The square root of 12123141 is about 3481.8301222202. The cubic root of 12123141 is about 229.7233030495.

Adding to 12123141 its reverse (14132121), we get a palindrome (26255262).

The spelling of 12123141 in words is "twelve million, one hundred twenty-three thousand, one hundred forty-one".