12545314431224 has 16 divisors (see below), whose sum is σ = 23522734086120. Its totient is φ = 6272585341600.

The previous prime is 12545314431211. The next prime is 12545314431257. The reversal of 12545314431224 is 42213441354521.

It is a super-2 number, since 2×12545314431224² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8238794 + ... + 9642009.

Almost surely, 2^{12545314431224} is an apocalyptic number.

It is an amenable number.

12545314431224 is a deficient number, since it is larger than the sum of its proper divisors (10977419654896).

12545314431224 is a wasteful number, since it uses less digits than its factorization.

12545314431224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17968510 (or 17968506 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

Adding to 12545314431224 its reverse (42213441354521), we get a palindrome (54758755785745).

The spelling of 12545314431224 in words is "twelve trillion, five hundred forty-five billion, three hundred fourteen million, four hundred thirty-one thousand, two hundred twenty-four".