12310020312322 has 4 divisors (see below), whose sum is σ = 18465030468486. Its totient is φ = 6155010156160.

The previous prime is 12310020312313. The next prime is 12310020312323. The reversal of 12310020312322 is 22321302001321.

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

It can be written as a sum of positive squares in only one way, i.e., 11888986737681 + 421033574641 = 3448041^2 + 648871^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12310020312293 and 12310020312302.

It is not an unprimeable number, because it can be changed into a prime (12310020312323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077505078079 + ... + 3077505078082.

Almost surely, 2^{12310020312322} is an apocalyptic number.

12310020312322 is a deficient number, since it is larger than the sum of its proper divisors (6155010156164).

12310020312322 is an equidigital number, since it uses as much as digits as its factorization.

12310020312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155010156163.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12310020312322 its reverse (22321302001321), we get a palindrome (34631322313643).

The spelling of 12310020312322 in words is "twelve trillion, three hundred ten billion, twenty million, three hundred twelve thousand, three hundred twenty-two".