12042122241 has 4 divisors (see below), whose sum is σ = 16056162992. Its totient is φ = 8028081492.

The previous prime is 12042122173. The next prime is 12042122251. The reversal of 12042122241 is 14222124021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12042122241 - 2³³ = 3452187649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12042122251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007020371 + ... + 2007020376.

It is an arithmetic number, because the mean of its divisors is an integer number (4014040748).

Almost surely, 2^12042122241 is an apocalyptic number.

It is an amenable number.

12042122241 is a deficient number, since it is larger than the sum of its proper divisors (4014040751).

12042122241 is an equidigital number, since it uses as much as digits as its factorization.

12042122241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014040750.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12042122241 its reverse (14222124021), we get a palindrome (26264246262).

The spelling of 12042122241 in words is "twelve billion, forty-two million, one hundred twenty-two thousand, two hundred forty-one".