14122004021 has 4 divisors (see below), whose sum is σ = 14122754700. Its totient is φ = 14121253344.

The previous prime is 14122004009. The next prime is 14122004033. The reversal of 14122004021 is 12040022141.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (14122004009) and next prime (14122004033).

It can be written as a sum of positive squares in 2 ways, for example, as 1508467921 + 12613536100 = 38839^2 + 112310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14122004021 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 (14122004321) 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, 346376 + ... + 384993.

It is an arithmetic number, because the mean of its divisors is an integer number (3530688675).

Almost surely, 2^14122004021 is an apocalyptic number.

It is an amenable number.

14122004021 is a deficient number, since it is larger than the sum of its proper divisors (750679).

14122004021 is an equidigital number, since it uses as much as digits as its factorization.

14122004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750678.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 14122004021 its reverse (12040022141), we get a palindrome (26162026162).

The spelling of 14122004021 in words is "fourteen billion, one hundred twenty-two million, four thousand, twenty-one".