14212331432221 has 8 divisors (see below), whose sum is σ = 16205916384504. Its totient is φ = 12347364864000.

The previous prime is 14212331432171. The next prime is 14212331432281. The reversal of 14212331432221 is 12223413321241.

It can be written as a sum of positive squares in 4 ways, for example, as 18169692025 + 14194161740196 = 134795^2 + 3767514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14212331432221 - 2¹³ = 14212331424029 is a prime.

It is a super-2 number, since 2×14212331432221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14212331432281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32154595780 + ... + 32154596221.

It is an arithmetic number, because the mean of its divisors is an integer number (2025739548063).

Almost surely, 2^{14212331432221} is an apocalyptic number.

It is an amenable number.

14212331432221 is a deficient number, since it is larger than the sum of its proper divisors (1993584952283).

14212331432221 is a wasteful number, since it uses less digits than its factorization.

14212331432221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64309192031.

The product of its digits is 13824, while the sum is 31.

Adding to 14212331432221 its reverse (12223413321241), we get a palindrome (26435744753462).

The spelling of 14212331432221 in words is "fourteen trillion, two hundred twelve billion, three hundred thirty-one million, four hundred thirty-two thousand, two hundred twenty-one".