120506310533 has 4 divisors (see below), whose sum is σ = 137721497760. Its totient is φ = 103291123308.

The previous prime is 120506310527. The next prime is 120506310541. The reversal of 120506310533 is 335013605021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 335013605021 = 47 ⋅7127949043.

It is a cyclic number.

It is not a de Polignac number, because 120506310533 - 2²⁴ = 120489533317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120506310496 and 120506310505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120506310553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8607593603 + ... + 8607593616.

It is an arithmetic number, because the mean of its divisors is an integer number (34430374440).

Almost surely, 2^120506310533 is an apocalyptic number.

It is an amenable number.

120506310533 is a deficient number, since it is larger than the sum of its proper divisors (17215187227).

120506310533 is an equidigital number, since it uses as much as digits as its factorization.

120506310533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17215187226.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 120506310533 its reverse (335013605021), we get a palindrome (455519915554).

The spelling of 120506310533 in words is "one hundred twenty billion, five hundred six million, three hundred ten thousand, five hundred thirty-three".