122102220012 has 12 divisors (see below), whose sum is σ = 284905180056. Its totient is φ = 40700740000.

The previous prime is 122102219983. The next prime is 122102220013. The reversal of 122102220012 is 210022201221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 122102219973 and 122102220000.

It is not an unprimeable number, because it can be changed into a prime (122102220013) 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 3 ways as a sum of consecutive naturals, for example, 5087592489 + ... + 5087592512.

It is an arithmetic number, because the mean of its divisors is an integer number (23742098338).

Almost surely, 2^122102220012 is an apocalyptic number.

122102220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122102220012 is an abundant number, since it is smaller than the sum of its proper divisors (162802960044).

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

122102220012 is a wasteful number, since it uses less digits than its factorization.

122102220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175185008 (or 10175185006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122102220012 its reverse (210022201221), we get a palindrome (332124421233).

The spelling of 122102220012 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, twelve".