20122212221210 has 32 divisors (see below), whose sum is σ = 39514250466432. Its totient is φ = 7316882370880.

The previous prime is 20122212221201. The next prime is 20122212221213. The reversal of 20122212221210 is 1212221222102.

It is not an unprimeable number, because it can be changed into a prime (20122212221213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731189 + ... + 6385848.

It is an arithmetic number, because the mean of its divisors is an integer number (1234820327076).

Almost surely, 2^{20122212221210} is an apocalyptic number.

20122212221210 is a deficient number, since it is larger than the sum of its proper divisors (19392038245222).

20122212221210 is a wasteful number, since it uses less digits than its factorization.

20122212221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142758.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20122212221210 its reverse (1212221222102), we get a palindrome (21334433443312).

The spelling of 20122212221210 in words is "twenty trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-one thousand, two hundred ten".