12042111324311 has 4 divisors (see below), whose sum is σ = 12061755878472. Its totient is φ = 12022466770152.

The previous prime is 12042111324239. The next prime is 12042111324377. The reversal of 12042111324311 is 11342311124021.

It is a happy number.

12042111324311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12042111324311 - 2¹⁴ = 12042111307927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042111324211) 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, 9822276161 + ... + 9822277386.

It is an arithmetic number, because the mean of its divisors is an integer number (3015438969618).

Almost surely, 2^{12042111324311} is an apocalyptic number.

12042111324311 is a deficient number, since it is larger than the sum of its proper divisors (19644554161).

12042111324311 is an equidigital number, since it uses as much as digits as its factorization.

12042111324311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19644554160.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 12042111324311 its reverse (11342311124021), we get a palindrome (23384422448332).

The spelling of 12042111324311 in words is "twelve trillion, forty-two billion, one hundred eleven million, three hundred twenty-four thousand, three hundred eleven".