120200120077 has 2 divisors, whose sum is σ = 120200120078. Its totient is φ = 120200120076.

The previous prime is 120200120059. The next prime is 120200120087. The reversal of 120200120077 is 770021002021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115667329801 + 4532790276 = 340099^2 + 67326^2 .

It is a cyclic number.

It is not a de Polignac number, because 120200120077 - 2¹¹ = 120200118029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120200120087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100060038 + 60100060039.

It is an arithmetic number, because the mean of its divisors is an integer number (60100060039).

Almost surely, 2^120200120077 is an apocalyptic number.

It is an amenable number.

120200120077 is a deficient number, since it is larger than the sum of its proper divisors (1).

120200120077 is an equidigital number, since it uses as much as digits as its factorization.

120200120077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

Adding to 120200120077 its reverse (770021002021), we get a palindrome (890221122098).

The spelling of 120200120077 in words is "one hundred twenty billion, two hundred million, one hundred twenty thousand, seventy-seven".