12442533043 has 4 divisors (see below), whose sum is σ = 12458713960. Its totient is φ = 12426352128.

The previous prime is 12442533041. The next prime is 12442533079. The reversal of 12442533043 is 34033524421.

It is a happy number.

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 12442533043 - 2¹ = 12442533041 is a prime.

It is a super-2 number, since 2×12442533043² (a number of 21 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 = 12442532996 and 12442533014.

It is not an unprimeable number, because it can be changed into a prime (12442533041) 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, 8089305 + ... + 8090842.

It is an arithmetic number, because the mean of its divisors is an integer number (3114678490).

Almost surely, 2^12442533043 is an apocalyptic number.

12442533043 is a deficient number, since it is larger than the sum of its proper divisors (16180917).

12442533043 is an equidigital number, since it uses as much as digits as its factorization.

12442533043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180916.

The product of its (nonzero) digits is 34560, while the sum is 31.

The spelling of 12442533043 in words is "twelve billion, four hundred forty-two million, five hundred thirty-three thousand, forty-three".