122220102012 has 24 divisors (see below), whose sum is σ = 300189724800. Its totient is φ = 38595821616.

The previous prime is 122220102007. The next prime is 122220102013. The reversal of 122220102012 is 210201022221.

It is a junction number, because it is equal to n+sod(n) for n = 122220101982 and 122220102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220102013) 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 7 ways as a sum of consecutive naturals, for example, 268026312 + ... + 268026767.

It is an arithmetic number, because the mean of its divisors is an integer number (12507905200).

Almost surely, 2^122220102012 is an apocalyptic number.

122220102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122220102012 is an abundant number, since it is smaller than the sum of its proper divisors (177969622788).

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

122220102012 is a wasteful number, since it uses less digits than its factorization.

122220102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536053105 (or 536053103 counting only the distinct ones).

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

Adding to 122220102012 its reverse (210201022221), we get a palindrome (332421124233).

The spelling of 122220102012 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred two thousand, twelve".