122101221222012 has 24 divisors (see below), whose sum is σ = 287146179045376. Its totient is φ = 40379931427248.

The previous prime is 122101221222007. The next prime is 122101221222083. The reversal of 122101221222012 is 210222122101221.

It is a self number, because there is not a number n which added to its sum of digits gives 122101221222012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40059454258 + ... + 40059457305.

Almost surely, 2^{122101221222012} is an apocalyptic number.

122101221222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122101221222012 is an abundant number, since it is smaller than the sum of its proper divisors (165044957823364).

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

122101221222012 is a wasteful number, since it uses less digits than its factorization.

122101221222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80118911697 (or 80118911695 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122101221222012 its reverse (210222122101221), we get a palindrome (332323343323233).

The spelling of 122101221222012 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, twelve".