12205710016715 has 24 divisors (see below), whose sum is σ = 15315830930400. Its totient is φ = 9337293972864.

The previous prime is 12205710016697. The next prime is 12205710016789. The reversal of 12205710016715 is 51761001750221.

It is not a de Polignac number, because 12205710016715 - 2¹² = 12205710012619 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 8408186 + ... + 9752384.

It is an arithmetic number, because the mean of its divisors is an integer number (638159622100).

Almost surely, 2^{12205710016715} is an apocalyptic number.

12205710016715 is a deficient number, since it is larger than the sum of its proper divisors (3110120913685).

12205710016715 is a wasteful number, since it uses less digits than its factorization.

12205710016715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347683 (or 1347660 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 38.

Adding to 12205710016715 its reverse (51761001750221), we get a palindrome (63966711766936).

The spelling of 12205710016715 in words is "twelve trillion, two hundred five billion, seven hundred ten million, sixteen thousand, seven hundred fifteen".