12223811756785 has 64 divisors (see below), whose sum is σ = 15870919680000. Its totient is φ = 9009626056704.

The previous prime is 12223811756777. The next prime is 12223811756803. The reversal of 12223811756785 is 58765711832221.

It is a cyclic number.

It is not a de Polignac number, because 12223811756785 - 2³ = 12223811756777 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2315551776 + ... + 2315557054.

It is an arithmetic number, because the mean of its divisors is an integer number (247983120000).

Almost surely, 2^{12223811756785} is an apocalyptic number.

It is an amenable number.

12223811756785 is a deficient number, since it is larger than the sum of its proper divisors (3647107923215).

12223811756785 is a wasteful number, since it uses less digits than its factorization.

12223811756785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718.

The product of its digits is 11289600, while the sum is 58.

The spelling of 12223811756785 in words is "twelve trillion, two hundred twenty-three billion, eight hundred eleven million, seven hundred fifty-six thousand, seven hundred eighty-five".