12042344311 has 4 divisors (see below), whose sum is σ = 12046869072. Its totient is φ = 12037819552.

The previous prime is 12042344299. The next prime is 12042344323. The reversal of 12042344311 is 11344324021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11344324021 = 419 ⋅27074759.

It is an interprime number because it is at equal distance from previous prime (12042344299) and next prime (12042344323).

It is a cyclic number.

It is not a de Polignac number, because 12042344311 - 2¹⁵ = 12042311543 is a prime.

It is a super-4 number, since 4×12042344311⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042344011) 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, 2258386 + ... + 2263711.

It is an arithmetic number, because the mean of its divisors is an integer number (3011717268).

Almost surely, 2^12042344311 is an apocalyptic number.

12042344311 is a deficient number, since it is larger than the sum of its proper divisors (4524761).

12042344311 is an equidigital number, since it uses as much as digits as its factorization.

12042344311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524760.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12042344311 its reverse (11344324021), we get a palindrome (23386668332).

The spelling of 12042344311 in words is "twelve billion, forty-two million, three hundred forty-four thousand, three hundred eleven".