12120222199957 has 2 divisors, whose sum is σ = 12120222199958. Its totient is φ = 12120222199956.

The previous prime is 12120222199937. The next prime is 12120222200063. The reversal of 12120222199957 is 75999122202121.

12120222199957 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., 9798846956721 + 2321375243236 = 3130311^2 + 1523606^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120222199957 - 2³¹ = 12118074716309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12120222199937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060111099978 + 6060111099979.

It is an arithmetic number, because the mean of its divisors is an integer number (6060111099979).

Almost surely, 2^{12120222199957} is an apocalyptic number.

It is an amenable number.

12120222199957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120222199957 is an equidigital number, since it uses as much as digits as its factorization.

12120222199957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 12120222199957 in words is "twelve trillion, one hundred twenty billion, two hundred twenty-two million, one hundred ninety-nine thousand, nine hundred fifty-seven".