12881756143 has 2 divisors, whose sum is σ = 12881756144. Its totient is φ = 12881756142.

The previous prime is 12881756113. The next prime is 12881756203. The reversal of 12881756143 is 34165718821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12881756143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12881756093 and 12881756102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12881756113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6440878071 + 6440878072.

It is an arithmetic number, because the mean of its divisors is an integer number (6440878072).

Almost surely, 2^12881756143 is an apocalyptic number.

12881756143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12881756143 is an equidigital number, since it uses as much as digits as its factorization.

12881756143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The spelling of 12881756143 in words is "twelve billion, eight hundred eighty-one million, seven hundred fifty-six thousand, one hundred forty-three".