14012133221 has 4 divisors (see below), whose sum is σ = 14056335852. Its totient is φ = 13967930592.

The previous prime is 14012133173. The next prime is 14012133323. The reversal of 14012133221 is 12233121041.

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 1452448321 + 12559684900 = 38111^2 + 112070^2 .

It is a cyclic number.

It is not a de Polignac number, because 14012133221 - 2¹⁸ = 14011871077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14012133193 and 14012133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14012033221) 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, 22100840 + ... + 22101473.

It is an arithmetic number, because the mean of its divisors is an integer number (3514083963).

Almost surely, 2^14012133221 is an apocalyptic number.

It is an amenable number.

14012133221 is a deficient number, since it is larger than the sum of its proper divisors (44202631).

14012133221 is an equidigital number, since it uses as much as digits as its factorization.

14012133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44202630.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 14012133221 its reverse (12233121041), we get a palindrome (26245254262).

The spelling of 14012133221 in words is "fourteen billion, twelve million, one hundred thirty-three thousand, two hundred twenty-one".