10012812729218 has 16 divisors (see below), whose sum is σ = 16174607048376. Its totient is φ = 4621280065920.

The previous prime is 10012812729211. The next prime is 10012812729239. The reversal of 10012812729218 is 81292721821001.

It can be written as a sum of positive squares in 4 ways, for example, as 5130555695329 + 4882257033889 = 2265073^2 + 2209583^2 .

It is not an unprimeable number, because it can be changed into a prime (10012812729211) by changing a digit.

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, 7859780 + ... + 9044432.

Almost surely, 2^{10012812729218} is an apocalyptic number.

10012812729218 is a deficient number, since it is larger than the sum of its proper divisors (6161794319158).

10012812729218 is a wasteful number, since it uses less digits than its factorization.

10012812729218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509749.

The product of its (nonzero) digits is 64512, while the sum is 44.

The spelling of 10012812729218 in words is "ten trillion, twelve billion, eight hundred twelve million, seven hundred twenty-nine thousand, two hundred eighteen".