12323011323220 has 24 divisors (see below), whose sum is σ = 27868964070024. Its totient is φ = 4550034950016.

The previous prime is 12323011323211. The next prime is 12323011323239. The reversal of 12323011323220 is 2232311032321.

12323011323220 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 4 ways, for example, as 175960114576 + 12147051208644 = 419476^2 + 3485262^2 .

It is a super-2 number, since 2×12323011323220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23698098439 + ... + 23698098958.

It is an arithmetic number, because the mean of its divisors is an integer number (1161206836251).

Almost surely, 2^{12323011323220} is an apocalyptic number.

12323011323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323011323220 is an abundant number, since it is smaller than the sum of its proper divisors (15545952746804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323011323220 is a wasteful number, since it uses less digits than its factorization.

12323011323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47396197419 (or 47396197417 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12323011323220 its reverse (2232311032321), we get a palindrome (14555322355541).

The spelling of 12323011323220 in words is "twelve trillion, three hundred twenty-three billion, eleven million, three hundred twenty-three thousand, two hundred twenty".