12014053345421 has 4 divisors (see below), whose sum is σ = 12014137121532. Its totient is φ = 12013969569312.

The previous prime is 12014053345403. The next prime is 12014053345433. The reversal of 12014053345421 is 12454335041021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2392976955625 + 9621076389796 = 1546925^2 + 3101786^2 .

It is a cyclic number.

It is not a de Polignac number, because 12014053345421 - 2²⁶ = 12013986236557 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 (12014053345121) 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, 41672576 + ... + 41959881.

It is an arithmetic number, because the mean of its divisors is an integer number (3003534280383).

Almost surely, 2^{12014053345421} is an apocalyptic number.

It is an amenable number.

12014053345421 is a deficient number, since it is larger than the sum of its proper divisors (83776111).

12014053345421 is an equidigital number, since it uses as much as digits as its factorization.

12014053345421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83776110.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 12014053345421 its reverse (12454335041021), we get a palindrome (24468388386442).

The spelling of 12014053345421 in words is "twelve trillion, fourteen billion, fifty-three million, three hundred forty-five thousand, four hundred twenty-one".