12020022242 has 16 divisors (see below), whose sum is σ = 18525857280. Its totient is φ = 5844886128.

The previous prime is 12020022241. The next prime is 12020022257. The reversal of 12020022242 is 24222002021.

It is a self number, because there is not a number n which added to its sum of digits gives 12020022242.

It is not an unprimeable number, because it can be changed into a prime (12020022241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129413 + ... + 201959.

It is an arithmetic number, because the mean of its divisors is an integer number (1157866080).

Almost surely, 2^12020022242 is an apocalyptic number.

12020022242 is a deficient number, since it is larger than the sum of its proper divisors (6505835038).

12020022242 is a wasteful number, since it uses less digits than its factorization.

12020022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74825.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 12020022242 its reverse (24222002021), we get a palindrome (36242024263).

The spelling of 12020022242 in words is "twelve billion, twenty million, twenty-two thousand, two hundred forty-two".