12712147739 has 2 divisors, whose sum is σ = 12712147740. Its totient is φ = 12712147738.

The previous prime is 12712147687. The next prime is 12712147787. The reversal of 12712147739 is 93774121721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12712147739 - 2¹² = 12712143643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12712147739.

It is not a weakly prime, because it can be changed into another prime (12712147039) 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 as a sum of consecutive naturals, namely, 6356073869 + 6356073870.

It is an arithmetic number, because the mean of its divisors is an integer number (6356073870).

Almost surely, 2^12712147739 is an apocalyptic number.

12712147739 is a deficient number, since it is larger than the sum of its proper divisors (1).

12712147739 is an equidigital number, since it uses as much as digits as its factorization.

12712147739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 44.

The spelling of 12712147739 in words is "twelve billion, seven hundred twelve million, one hundred forty-seven thousand, seven hundred thirty-nine".