14312213121 has 24 divisors (see below), whose sum is σ = 19530854784. Its totient is φ = 9319290240.

The previous prime is 14312213117. The next prime is 14312213141. The reversal of 14312213121 is 12131221341.

It is not a de Polignac number, because 14312213121 - 2² = 14312213117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14312213141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31317525 + ... + 31317981.

It is an arithmetic number, because the mean of its divisors is an integer number (813785616).

Almost surely, 2^14312213121 is an apocalyptic number.

It is an amenable number.

14312213121 is a deficient number, since it is larger than the sum of its proper divisors (5218641663).

14312213121 is an frugal number, since it uses more digits than its factorization.

14312213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 944 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 14312213121 its reverse (12131221341), we get a palindrome (26443434462).

The spelling of 14312213121 in words is "fourteen billion, three hundred twelve million, two hundred thirteen thousand, one hundred twenty-one".