12514251321 has 48 divisors (see below), whose sum is σ = 21584576832. Its totient is φ = 6886166400.

The previous prime is 12514251319. The next prime is 12514251329. The reversal of 12514251321 is 12315241521.

It is a happy number.

12514251321 is a `hidden beast` number, since 1 + 2 + 5 + 142 + 513 + 2 + 1 = 666.

12514251321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12514251321 - 2¹ = 12514251319 is a prime.

It is a super-2 number, since 2×12514251321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12514251329) 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 47 ways as a sum of consecutive naturals, for example, 1195 + ... + 158208.

It is an arithmetic number, because the mean of its divisors is an integer number (449678684).

Almost surely, 2^12514251321 is an apocalyptic number.

12514251321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12514251321 is a deficient number, since it is larger than the sum of its proper divisors (9070325511).

12514251321 is a wasteful number, since it uses less digits than its factorization.

12514251321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159494 (or 159491 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

Adding to 12514251321 its reverse (12315241521), we get a palindrome (24829492842).

The spelling of 12514251321 in words is "twelve billion, five hundred fourteen million, two hundred fifty-one thousand, three hundred twenty-one".