12144131715 has 16 divisors (see below), whose sum is σ = 19447008768. Its totient is φ = 6471404256.

The previous prime is 12144131687. The next prime is 12144131731. The reversal of 12144131715 is 51713144121.

It is not a de Polignac number, because 12144131715 - 2⁵ = 12144131683 is a prime.

It is a super-2 number, since 2×12144131715² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323227 + ... + 358836.

It is an arithmetic number, because the mean of its divisors is an integer number (1215438048).

Almost surely, 2^12144131715 is an apocalyptic number.

12144131715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12144131715 is a deficient number, since it is larger than the sum of its proper divisors (7302877053).

12144131715 is a wasteful number, since it uses less digits than its factorization.

12144131715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683258.

The product of its digits is 3360, while the sum is 30.

Adding to 12144131715 its reverse (51713144121), we get a palindrome (63857275836).

The spelling of 12144131715 in words is "twelve billion, one hundred forty-four million, one hundred thirty-one thousand, seven hundred fifteen".