120212177513 has 2 divisors, whose sum is σ = 120212177514. Its totient is φ = 120212177512.

The previous prime is 120212177497. The next prime is 120212177539. The reversal of 120212177513 is 315771212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94191906649 + 26020270864 = 306907^2 + 161308^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212177513 - 2⁴ = 120212177497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120212177513.

It is not a weakly prime, because it can be changed into another prime (120212177543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106088756 + 60106088757.

It is an arithmetic number, because the mean of its divisors is an integer number (60106088757).

Almost surely, 2^120212177513 is an apocalyptic number.

It is an amenable number.

120212177513 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212177513 is an equidigital number, since it uses as much as digits as its factorization.

120212177513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 120212177513 its reverse (315771212021), we get a palindrome (435983389534).

The spelling of 120212177513 in words is "one hundred twenty billion, two hundred twelve million, one hundred seventy-seven thousand, five hundred thirteen".