14212540021 has 4 divisors (see below), whose sum is σ = 14424667552. Its totient is φ = 14000412492.

The previous prime is 14212539977. The next prime is 14212540033. The reversal of 14212540021 is 12004521241.

14212540021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 14212540021 - 2¹⁹ = 14212015733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14212539974 and 14212540001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14212550021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106063665 + ... + 106063798.

It is an arithmetic number, because the mean of its divisors is an integer number (3606166888).

Almost surely, 2^14212540021 is an apocalyptic number.

It is an amenable number.

14212540021 is a deficient number, since it is larger than the sum of its proper divisors (212127531).

14212540021 is an equidigital number, since it uses as much as digits as its factorization.

14212540021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212127530.

The product of its (nonzero) digits is 640, while the sum is 22.

The spelling of 14212540021 in words is "fourteen billion, two hundred twelve million, five hundred forty thousand, twenty-one".