12012022441 has 4 divisors (see below), whose sum is σ = 12038307412. Its totient is φ = 11985737472.

The previous prime is 12012022427. The next prime is 12012022453. The reversal of 12012022441 is 14422021021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4023238041 + 7988784400 = 63429^2 + 89380^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012022441 - 2¹⁵ = 12011989673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012022411) 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, 13141800 + ... + 13142713.

It is an arithmetic number, because the mean of its divisors is an integer number (3009576853).

Almost surely, 2^12012022441 is an apocalyptic number.

It is an amenable number.

12012022441 is a deficient number, since it is larger than the sum of its proper divisors (26284971).

12012022441 is an equidigital number, since it uses as much as digits as its factorization.

12012022441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26284970.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12012022441 its reverse (14422021021), we get a palindrome (26434043462).

The spelling of 12012022441 in words is "twelve billion, twelve million, twenty-two thousand, four hundred forty-one".