122112211210 has 32 divisors (see below), whose sum is σ = 241255081152. Its totient is φ = 44132014080.

The previous prime is 122112211163. The next prime is 122112211219. The reversal of 122112211210 is 12112211221.

It is a super-2 number, since 2×122112211210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112211219) 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, 3387319 + ... + 3423178.

It is an arithmetic number, because the mean of its divisors is an integer number (7539221286).

Almost surely, 2^122112211210 is an apocalyptic number.

122112211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122112211210 is a deficient number, since it is larger than the sum of its proper divisors (119142869942).

122112211210 is a wasteful number, since it uses less digits than its factorization.

122112211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810678.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122112211210 its reverse (12112211221), we get a palindrome (134224422431).

The spelling of 122112211210 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred eleven thousand, two hundred ten".