14224002131421 has 12 divisors (see below), whose sum is σ = 20545871577660. Its totient is φ = 9482626216320.

The previous prime is 14224002131351. The next prime is 14224002131429. The reversal of 14224002131421 is 12413120042241.

14224002131421 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 400 + 213 + 1 + 42 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11867129316900 + 2356872814521 = 3444870^2 + 1535211^2 .

It is not a de Polignac number, because 14224002131421 - 2⁹ = 14224002130909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14224002131429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1263036 + ... + 5481173.

It is an arithmetic number, because the mean of its divisors is an integer number (1712155964805).

Almost surely, 2^{14224002131421} is an apocalyptic number.

It is an amenable number.

14224002131421 is a deficient number, since it is larger than the sum of its proper divisors (6321869446239).

14224002131421 is a wasteful number, since it uses less digits than its factorization.

14224002131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978556 (or 6978553 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 14224002131421 its reverse (12413120042241), we get a palindrome (26637122173662).

The spelling of 14224002131421 in words is "fourteen trillion, two hundred twenty-four billion, two million, one hundred thirty-one thousand, four hundred twenty-one".