12887502641290 has 16 divisors (see below), whose sum is σ = 23200602432840. Its totient is φ = 5154312683520.

The previous prime is 12887502641257. The next prime is 12887502641309. The reversal of 12887502641290 is 9214620578821.

It can be written as a sum of positive squares in 4 ways, for example, as 11460980555649 + 1426522085641 = 3385407^2 + 1194371^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85967991 + ... + 86117770.

Almost surely, 2^{12887502641290} is an apocalyptic number.

12887502641290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12887502641290 is a deficient number, since it is larger than the sum of its proper divisors (10313099791550).

12887502641290 is a wasteful number, since it uses less digits than its factorization.

12887502641290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172093257.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 12887502641290 in words is "twelve trillion, eight hundred eighty-seven billion, five hundred two million, six hundred forty-one thousand, two hundred ninety".