12021441422 has 4 divisors (see below), whose sum is σ = 18032162136. Its totient is φ = 6010720710.

The previous prime is 12021441409. The next prime is 12021441529. The reversal of 12021441422 is 22414412021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22414412021 = 67 ⋅334543463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005360354 + ... + 3005360357.

It is an arithmetic number, because the mean of its divisors is an integer number (4508040534).

Almost surely, 2^12021441422 is an apocalyptic number.

12021441422 is a deficient number, since it is larger than the sum of its proper divisors (6010720714).

12021441422 is an equidigital number, since it uses as much as digits as its factorization.

12021441422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010720713.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 12021441422 its reverse (22414412021), we get a palindrome (34435853443).

The spelling of 12021441422 in words is "twelve billion, twenty-one million, four hundred forty-one thousand, four hundred twenty-two".