12312323032028 has 6 divisors (see below), whose sum is σ = 21546565306056. Its totient is φ = 6156161516012.

The previous prime is 12312323032027. The next prime is 12312323032073. The reversal of 12312323032028 is 82023032321321.

12312323032028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12312323032028² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12312323031985 and 12312323032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312323032027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539040379000 + ... + 1539040379007.

It is an arithmetic number, because the mean of its divisors is an integer number (3591094217676).

Almost surely, 2^{12312323032028} is an apocalyptic number.

It is an amenable number.

12312323032028 is a deficient number, since it is larger than the sum of its proper divisors (9234242274028).

12312323032028 is a wasteful number, since it uses less digits than its factorization.

12312323032028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078080758011 (or 3078080758009 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 12312323032028 its reverse (82023032321321), we get a palindrome (94335355353349).

The spelling of 12312323032028 in words is "twelve trillion, three hundred twelve billion, three hundred twenty-three million, thirty-two thousand, twenty-eight".