12731927756148 has 36 divisors (see below), whose sum is σ = 32249030905728. Its totient is φ = 4235332377360.

The previous prime is 12731927756147. The next prime is 12731927756281. The reversal of 12731927756148 is 84165772913721.

12731927756148 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 1 + 9 + 2 + 7 + 7 + 5 + 614 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12731927756147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360129636 + ... + 360164987.

It is an arithmetic number, because the mean of its divisors is an integer number (895806414048).

Almost surely, 2^{12731927756148} is an apocalyptic number.

12731927756148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12731927756148 is an abundant number, since it is smaller than the sum of its proper divisors (19517103149580).

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

12731927756148 is a wasteful number, since it uses less digits than its factorization.

12731927756148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720295124 (or 720295119 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 12731927756148 in words is "twelve trillion, seven hundred thirty-one billion, nine hundred twenty-seven million, seven hundred fifty-six thousand, one hundred forty-eight".