122120222012 has 12 divisors (see below), whose sum is σ = 218257418400. Its totient is φ = 59760959616.

The previous prime is 122120222011. The next prime is 122120222057. The reversal of 122120222012 is 210222021221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324787637 + ... + 324788012.

It is an arithmetic number, because the mean of its divisors is an integer number (18188118200).

Almost surely, 2^122120222012 is an apocalyptic number.

It is an amenable number.

122120222012 is a deficient number, since it is larger than the sum of its proper divisors (96137196388).

122120222012 is a wasteful number, since it uses less digits than its factorization.

122120222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649575700 (or 649575698 counting only the distinct ones).

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

Adding to 122120222012 its reverse (210222021221), we get a palindrome (332342243233).

The spelling of 122120222012 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, twelve".