2012220122 has 16 divisors (see below), whose sum is σ = 3293413344. Its totient is φ = 914454000.

The previous prime is 2012220121. The next prime is 2012220157. The reversal of 2012220122 is 2210222102.

It is a junction number, because it is equal to n+sod(n) for n = 2012220097 and 2012220106.

It is not an unprimeable number, because it can be changed into a prime (2012220121) 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 7 ways as a sum of consecutive naturals, for example, 194972 + ... + 205032.

It is an arithmetic number, because the mean of its divisors is an integer number (205838334).

Almost surely, 2^2012220122 is an apocalyptic number.

2012220122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012220122 is a deficient number, since it is larger than the sum of its proper divisors (1281193222).

2012220122 is a wasteful number, since it uses less digits than its factorization.

2012220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19165.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2012220122 is about 44857.7766056232. The cubic root of 2012220122 is about 1262.4819061159.

Adding to 2012220122 its reverse (2210222102), we get a palindrome (4222442224).

The spelling of 2012220122 in words is "two billion, twelve million, two hundred twenty thousand, one hundred twenty-two".