13123412315144 has 32 divisors (see below), whose sum is σ = 24618999276000. Its totient is φ = 6558346472832.

The previous prime is 13123412315119. The next prime is 13123412315179. The reversal of 13123412315144 is 44151321432131.

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 7 ways as a sum of consecutive naturals, for example, 196769627 + ... + 196836309.

It is an arithmetic number, because the mean of its divisors is an integer number (769343727375).

Almost surely, 2^{13123412315144} is an apocalyptic number.

It is an amenable number.

13123412315144 is a deficient number, since it is larger than the sum of its proper divisors (11495586960856).

13123412315144 is a wasteful number, since it uses less digits than its factorization.

13123412315144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78917 (or 78913 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

Adding to 13123412315144 its reverse (44151321432131), we get a palindrome (57274733747275).

The spelling of 13123412315144 in words is "thirteen trillion, one hundred twenty-three billion, four hundred twelve million, three hundred fifteen thousand, one hundred forty-four".