122122222012 has 12 divisors (see below), whose sum is σ = 244244444080. Its totient is φ = 52338095136.

The previous prime is 122122221997. The next prime is 122122222081. The reversal of 122122222012 is 210222221221.

122122222012 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180753937 + ... + 2180753992.

Almost surely, 2^122122222012 is an apocalyptic number.

It is an amenable number.

122122222012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122122222012 is a wasteful number, since it uses less digits than its factorization.

122122222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361507940 (or 4361507938 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122122222012 its reverse (210222221221), we get a palindrome (332344443233).

The spelling of 122122222012 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, twelve".