12731927756147 has 2 divisors, whose sum is σ = 12731927756148. Its totient is φ = 12731927756146.

The previous prime is 12731927756129. The next prime is 12731927756281. The reversal of 12731927756147 is 74165772913721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12731927756147 - 2¹⁶ = 12731927690611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12731927756147.

It is not a weakly prime, because it can be changed into another prime (12731927756447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365963878073 + 6365963878074.

It is an arithmetic number, because the mean of its divisors is an integer number (6365963878074).

Almost surely, 2^{12731927756147} is an apocalyptic number.

12731927756147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12731927756147 is an equidigital number, since it uses as much as digits as its factorization.

12731927756147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31116960, while the sum is 62.

The spelling of 12731927756147 in words is "twelve trillion, seven hundred thirty-one billion, nine hundred twenty-seven million, seven hundred fifty-six thousand, one hundred forty-seven".