12058679898721 has 27 divisors (see below), whose sum is σ = 12508679222739. Its totient is φ = 11624634081648.

The previous prime is 12058679898719. The next prime is 12058679898791. The reversal of 12058679898721 is 12789897685021.

The square root of 12058679898721 is 3472561.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10790272371025 + 1268407527696 = 3284855^2 + 1126236^2 .

It is not a de Polignac number, because 12058679898721 - 2¹ = 12058679898719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12058679898791) 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 26 ways as a sum of consecutive naturals, for example, 16317563770 + ... + 16317564508.

It is an arithmetic number, because the mean of its divisors is an integer number (463284415657).

Almost surely, 2^{12058679898721} is an apocalyptic number.

12058679898721 is the 3472561-st square number.

12058679898721 is the 1736281-st centered octagonal number.

It is an amenable number.

12058679898721 is a deficient number, since it is larger than the sum of its proper divisors (449999324018).

12058679898721 is an frugal number, since it uses more digits than its factorization.

12058679898721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 73.

The spelling of 12058679898721 in words is "twelve trillion, fifty-eight billion, six hundred seventy-nine million, eight hundred ninety-eight thousand, seven hundred twenty-one".