12891315047710 has 16 divisors (see below), whose sum is σ = 25313855002992. Its totient is φ = 4687750926400.

The previous prime is 12891315047629. The next prime is 12891315047713. The reversal of 12891315047710 is 1774051319821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12891315047713) 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 7 ways as a sum of consecutive naturals, for example, 58596886471 + ... + 58596886690.

It is an arithmetic number, because the mean of its divisors is an integer number (1582115937687).

Almost surely, 2^{12891315047710} is an apocalyptic number.

12891315047710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12891315047710 is a deficient number, since it is larger than the sum of its proper divisors (12422539955282).

12891315047710 is a wasteful number, since it uses less digits than its factorization.

12891315047710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117193773179.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 12891315047710 in words is "twelve trillion, eight hundred ninety-one billion, three hundred fifteen million, forty-seven thousand, seven hundred ten".