20122011001222 has 32 divisors (see below), whose sum is σ = 33699221388000. Its totient is φ = 8947216551168.

The previous prime is 20122011001171. The next prime is 20122011001241. The reversal of 20122011001222 is 22210011022102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122011001196 and 20122011001205.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28853472 + ... + 29542627.

It is an arithmetic number, because the mean of its divisors is an integer number (1053100668375).

Almost surely, 2^{20122011001222} is an apocalyptic number.

20122011001222 is a deficient number, since it is larger than the sum of its proper divisors (13577210386778).

20122011001222 is a wasteful number, since it uses less digits than its factorization.

20122011001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58396600.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20122011001222 its reverse (22210011022102), we get a palindrome (42332022023324).

The spelling of 20122011001222 in words is "twenty trillion, one hundred twenty-two billion, eleven million, one thousand, two hundred twenty-two".