12200220839857 has 2 divisors, whose sum is σ = 12200220839858. Its totient is φ = 12200220839856.

The previous prime is 12200220839839. The next prime is 12200220839881. The reversal of 12200220839857 is 75893802200221.

12200220839857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11609345748001 + 590875091856 = 3407249^2 + 768684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200220839857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12200220839857.

It is not a weakly prime, because it can be changed into another prime (12200220839557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100110419928 + 6100110419929.

It is an arithmetic number, because the mean of its divisors is an integer number (6100110419929).

Almost surely, 2^{12200220839857} is an apocalyptic number.

It is an amenable number.

12200220839857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200220839857 is an equidigital number, since it uses as much as digits as its factorization.

12200220839857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 12200220839857 in words is "twelve trillion, two hundred billion, two hundred twenty million, eight hundred thirty-nine thousand, eight hundred fifty-seven".