12200747857 has 2 divisors, whose sum is σ = 12200747858. Its totient is φ = 12200747856.

The previous prime is 12200747843. The next prime is 12200747873. The reversal of 12200747857 is 75874700221.

12200747857 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., 10825153936 + 1375593921 = 104044^2 + 37089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200747857 is a prime.

It is not a weakly prime, because it can be changed into another prime (12200747827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100373928 + 6100373929.

It is an arithmetic number, because the mean of its divisors is an integer number (6100373929).

Almost surely, 2^12200747857 is an apocalyptic number.

It is an amenable number.

12200747857 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200747857 is an equidigital number, since it uses as much as digits as its factorization.

12200747857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219520, while the sum is 43.

The spelling of 12200747857 in words is "twelve billion, two hundred million, seven hundred forty-seven thousand, eight hundred fifty-seven".