12320344220308 has 6 divisors (see below), whose sum is σ = 21560602385546. Its totient is φ = 6160172110152.

The previous prime is 12320344220297. The next prime is 12320344220309. The reversal of 12320344220308 is 80302244302321.

12320344220308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11318299175824 + 1002045044484 = 3364268^2 + 1001022^2 .

It is a super-2 number, since 2×12320344220308² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320344220309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540043027535 + ... + 1540043027542.

Almost surely, 2^{12320344220308} is an apocalyptic number.

It is an amenable number.

12320344220308 is a deficient number, since it is larger than the sum of its proper divisors (9240258165238).

12320344220308 is a wasteful number, since it uses less digits than its factorization.

12320344220308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080086055081 (or 3080086055079 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 12320344220308 its reverse (80302244302321), we get a palindrome (92622588522629).

The spelling of 12320344220308 in words is "twelve trillion, three hundred twenty billion, three hundred forty-four million, two hundred twenty thousand, three hundred eight".