12424020022 has 4 divisors (see below), whose sum is σ = 18636030036. Its totient is φ = 6212010010.

The previous prime is 12424020017. The next prime is 12424020041. The reversal of 12424020022 is 22002042421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22002042421 = 41 ⋅536635181.

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, 3106005004 + ... + 3106005007.

It is an arithmetic number, because the mean of its divisors is an integer number (4659007509).

Almost surely, 2^12424020022 is an apocalyptic number.

12424020022 is a deficient number, since it is larger than the sum of its proper divisors (6212010014).

12424020022 is an equidigital number, since it uses as much as digits as its factorization.

12424020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212010013.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 12424020022 its reverse (22002042421), we get a palindrome (34426062443).

The spelling of 12424020022 in words is "twelve billion, four hundred twenty-four million, twenty thousand, twenty-two".