120012533 has 2 divisors, whose sum is σ = 120012534. Its totient is φ = 120012532.

The previous prime is 120012521. The next prime is 120012539. The reversal of 120012533 is 335210021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96373489 + 23639044 = 9817^2 + 4862^2 .

It is an emirp because it is prime and its reverse (335210021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120012533 - 2⁴ = 120012517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006266 + 60006267.

It is an arithmetic number, because the mean of its divisors is an integer number (60006267).

Almost surely, 2^120012533 is an apocalyptic number.

It is an amenable number.

120012533 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012533 is an equidigital number, since it uses as much as digits as its factorization.

120012533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 120012533 is about 10955.0231857354. The cubic root of 120012533 is about 493.2595859549.

Adding to 120012533 its reverse (335210021), we get a palindrome (455222554).

The spelling of 120012533 in words is "one hundred twenty million, twelve thousand, five hundred thirty-three".