12313452144 has 80 divisors (see below), whose sum is σ = 36693865728. Its totient is φ = 3485239296.

The previous prime is 12313452143. The next prime is 12313452149. The reversal of 12313452144 is 44125431321.

It is a super-2 number, since 2×12313452144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313452143) by changing a digit.

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, 135297 + ... + 207200.

Almost surely, 2^12313452144 is an apocalyptic number.

12313452144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12313452144 is an abundant number, since it is smaller than the sum of its proper divisors (24380413584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12313452144 is a wasteful number, since it uses less digits than its factorization.

12313452144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342622 (or 342616 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

Adding to 12313452144 its reverse (44125431321), we get a palindrome (56438883465).

The spelling of 12313452144 in words is "twelve billion, three hundred thirteen million, four hundred fifty-two thousand, one hundred forty-four".