12310216356533 has 4 divisors (see below), whose sum is σ = 12310391933388. Its totient is φ = 12310040779680.

The previous prime is 12310216356469. The next prime is 12310216356569. The reversal of 12310216356533 is 33565361201321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8225641969444 + 4084574387089 = 2868038^2 + 2021033^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310216356533 - 2⁶ = 12310216356469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310216356833) 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, 87683216 + ... + 87823497.

It is an arithmetic number, because the mean of its divisors is an integer number (3077597983347).

Almost surely, 2^{12310216356533} is an apocalyptic number.

It is an amenable number.

12310216356533 is a deficient number, since it is larger than the sum of its proper divisors (175576855).

12310216356533 is an equidigital number, since it uses as much as digits as its factorization.

12310216356533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175576854.

The product of its (nonzero) digits is 291600, while the sum is 41.

Adding to 12310216356533 its reverse (33565361201321), we get a palindrome (45875577557854).

The spelling of 12310216356533 in words is "twelve trillion, three hundred ten billion, two hundred sixteen million, three hundred fifty-six thousand, five hundred thirty-three".