12951074742487 has 16 divisors (see below), whose sum is σ = 15193830995200. Its totient is φ = 10808118764352.

The previous prime is 12951074742449. The next prime is 12951074742533. The reversal of 12951074742487 is 78424747015921.

It is not a de Polignac number, because 12951074742487 - 2¹⁵ = 12951074709719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951074742427) 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 15 ways as a sum of consecutive naturals, for example, 68638737 + ... + 68827162.

It is an arithmetic number, because the mean of its divisors is an integer number (949614437200).

Almost surely, 2^{12951074742487} is an apocalyptic number.

12951074742487 is a deficient number, since it is larger than the sum of its proper divisors (2242756252713).

12951074742487 is a wasteful number, since it uses less digits than its factorization.

12951074742487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137466262.

The product of its (nonzero) digits is 31610880, while the sum is 61.

The spelling of 12951074742487 in words is "twelve trillion, nine hundred fifty-one billion, seventy-four million, seven hundred forty-two thousand, four hundred eighty-seven".