20012122210022 has 8 divisors (see below), whose sum is σ = 30019261212072. Its totient is φ = 10005701806000.

The previous prime is 20012122209983. The next prime is 20012122210027. The reversal of 20012122210022 is 22001222121002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012122210027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179579879 + ... + 179691282.

It is an arithmetic number, because the mean of its divisors is an integer number (3752407651509).

Almost surely, 2^{20012122210022} is an apocalyptic number.

20012122210022 is a deficient number, since it is larger than the sum of its proper divisors (10007139002050).

20012122210022 is a wasteful number, since it uses less digits than its factorization.

20012122210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359299014.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20012122210022 its reverse (22001222121002), we get a palindrome (42013344331024).

The spelling of 20012122210022 in words is "twenty trillion, twelve billion, one hundred twenty-two million, two hundred ten thousand, twenty-two".