14125123243021 has 4 divisors (see below), whose sum is σ = 16142997992032. Its totient is φ = 12107248494012.

The previous prime is 14125123242947. The next prime is 14125123243031. The reversal of 14125123243021 is 12034232152141.

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 not a de Polignac number, because 14125123243021 - 2¹⁷ = 14125123111949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14125123243031) 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, 1008937374495 + ... + 1008937374508.

It is an arithmetic number, because the mean of its divisors is an integer number (4035749498008).

Almost surely, 2^{14125123243021} is an apocalyptic number.

It is an amenable number.

14125123243021 is a deficient number, since it is larger than the sum of its proper divisors (2017874749011).

14125123243021 is an equidigital number, since it uses as much as digits as its factorization.

14125123243021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017874749010.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 14125123243021 its reverse (12034232152141), we get a palindrome (26159355395162).

The spelling of 14125123243021 in words is "fourteen trillion, one hundred twenty-five billion, one hundred twenty-three million, two hundred forty-three thousand, twenty-one".