120542042213 has 2 divisors, whose sum is σ = 120542042214. Its totient is φ = 120542042212.

The previous prime is 120542042149. The next prime is 120542042227. The reversal of 120542042213 is 312240245021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115904159809 + 4637882404 = 340447^2 + 68102^2 .

It is a cyclic number.

It is not a de Polignac number, because 120542042213 - 2⁶ = 120542042149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120542002213) 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, 60271021106 + 60271021107.

It is an arithmetic number, because the mean of its divisors is an integer number (60271021107).

Almost surely, 2^120542042213 is an apocalyptic number.

It is an amenable number.

120542042213 is a deficient number, since it is larger than the sum of its proper divisors (1).

120542042213 is an equidigital number, since it uses as much as digits as its factorization.

120542042213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 120542042213 its reverse (312240245021), we get a palindrome (432782287234).

The spelling of 120542042213 in words is "one hundred twenty billion, five hundred forty-two million, forty-two thousand, two hundred thirteen".