12200860577657 has 4 divisors (see below), whose sum is σ = 12206873818020. Its totient is φ = 12194847337296.

The previous prime is 12200860577593. The next prime is 12200860577671. The reversal of 12200860577657 is 75677506800221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10313064268816 + 1887796308841 = 3211396^2 + 1373971^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200860577657 - 2⁶ = 12200860577593 is a prime.

It is a super-3 number, since 3×12200860577657³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200860567657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3006617138 + ... + 3006621195.

It is an arithmetic number, because the mean of its divisors is an integer number (3051718454505).

Almost surely, 2^{12200860577657} is an apocalyptic number.

It is an amenable number.

12200860577657 is a deficient number, since it is larger than the sum of its proper divisors (6013240363).

12200860577657 is an equidigital number, since it uses as much as digits as its factorization.

12200860577657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013240362.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 12200860577657 in words is "twelve trillion, two hundred billion, eight hundred sixty million, five hundred seventy-seven thousand, six hundred fifty-seven".