122100220012 has 12 divisors (see below), whose sum is σ = 213686219880. Its totient is φ = 61047014336.

The previous prime is 122100220001. The next prime is 122100220097. The reversal of 122100220012 is 210022001221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122100219974 and 122100220001.

It is an unprimeable number.

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, 684013 + ... + 843844.

It is an arithmetic number, because the mean of its divisors is an integer number (17807184990).

Almost surely, 2^122100220012 is an apocalyptic number.

It is an amenable number.

122100220012 is a deficient number, since it is larger than the sum of its proper divisors (91585999868).

122100220012 is a wasteful number, since it uses less digits than its factorization.

122100220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547840 (or 1547838 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122100220012 its reverse (210022001221), we get a palindrome (332122221233).

The spelling of 122100220012 in words is "one hundred twenty-two billion, one hundred million, two hundred twenty thousand, twelve".