12122210020 has 12 divisors (see below), whose sum is σ = 25456641084. Its totient is φ = 4848884000.

The previous prime is 12122210011. The next prime is 12122210029. The reversal of 12122210020 is 2001222121.

It is a happy number.

12122210020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12122210011) and next prime (12122210029).

It can be written as a sum of positive squares in 2 ways, for example, as 9207937764 + 2914272256 = 95958^2 + 53984^2 .

It is not an unprimeable number, because it can be changed into a prime (12122210029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303055231 + ... + 303055270.

It is an arithmetic number, because the mean of its divisors is an integer number (2121386757).

Almost surely, 2^12122210020 is an apocalyptic number.

12122210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122210020 is an abundant number, since it is smaller than the sum of its proper divisors (13334431064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122210020 is a wasteful number, since it uses less digits than its factorization.

12122210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606110510 (or 606110508 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12122210020 its reverse (2001222121), we get a palindrome (14123432141).

The spelling of 12122210020 in words is "twelve billion, one hundred twenty-two million, two hundred ten thousand, twenty".