14012021024321 has 4 divisors (see below), whose sum is σ = 14156474849412. Its totient is φ = 13867567199232.

The previous prime is 14012021024317. The next prime is 14012021024341. The reversal of 14012021024321 is 12342012021041.

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 11660585857600 + 2351435166721 = 3414760^2 + 1533439^2 .

It is a cyclic number.

It is not a de Polignac number, because 14012021024321 - 2² = 14012021024317 is a prime.

It is a super-2 number, since 2×14012021024321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14012021024341) 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, 72226912400 + ... + 72226912593.

It is an arithmetic number, because the mean of its divisors is an integer number (3539118712353).

Almost surely, 2^{14012021024321} is an apocalyptic number.

It is an amenable number.

14012021024321 is a deficient number, since it is larger than the sum of its proper divisors (144453825091).

14012021024321 is an equidigital number, since it uses as much as digits as its factorization.

14012021024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144453825090.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 14012021024321 its reverse (12342012021041), we get a palindrome (26354033045362).

The spelling of 14012021024321 in words is "fourteen trillion, twelve billion, twenty-one million, twenty-four thousand, three hundred twenty-one".