14012004031421 has 4 divisors (see below), whose sum is σ = 15285822579744. Its totient is φ = 12738185483100.

The previous prime is 14012004031387. The next prime is 14012004031433. The reversal of 14012004031421 is 12413040021041.

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 14012004031421 - 2⁴² = 9613957520317 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 (14012004034421) 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, 636909274145 + ... + 636909274166.

It is an arithmetic number, because the mean of its divisors is an integer number (3821455644936).

Almost surely, 2^{14012004031421} is an apocalyptic number.

14012004031421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14012004031421 is a deficient number, since it is larger than the sum of its proper divisors (1273818548323).

14012004031421 is a wasteful number, since it uses less digits than its factorization.

14012004031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273818548322.

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

Adding to 14012004031421 its reverse (12413040021041), we get a palindrome (26425044052462).

The spelling of 14012004031421 in words is "fourteen trillion, twelve billion, four million, thirty-one thousand, four hundred twenty-one".