12120311322323 has 4 divisors (see below), whose sum is σ = 12121501815888. Its totient is φ = 12119120828760.

The previous prime is 12120311322319. The next prime is 12120311322337. The reversal of 12120311322323 is 32322311302121.

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

It is a cyclic number.

It is not a de Polignac number, because 12120311322323 - 2² = 12120311322319 is a prime.

It is a super-2 number, since 2×12120311322323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120311322292 and 12120311322301.

It is not an unprimeable number, because it can be changed into a prime (12120311342323) 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, 595231511 + ... + 595251872.

It is an arithmetic number, because the mean of its divisors is an integer number (3030375453972).

Almost surely, 2^{12120311322323} is an apocalyptic number.

12120311322323 is a deficient number, since it is larger than the sum of its proper divisors (1190493565).

12120311322323 is a wasteful number, since it uses less digits than its factorization.

12120311322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190493564.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12120311322323 its reverse (32322311302121), we get a palindrome (44442622624444).

The spelling of 12120311322323 in words is "twelve trillion, one hundred twenty billion, three hundred eleven million, three hundred twenty-two thousand, three hundred twenty-three".