12122110221100 has 54 divisors (see below), whose sum is σ = 28913737474412. Its totient is φ = 4408040076000.

The previous prime is 12122110221097. The next prime is 12122110221131. The reversal of 12122110221100 is 112201122121.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 500901546 + ... + 500925745.

Almost surely, 2^{12122110221100} is an apocalyptic number.

12122110221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122110221100 is an abundant number, since it is smaller than the sum of its proper divisors (16791627253312).

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

12122110221100 is a wasteful number, since it uses less digits than its factorization.

12122110221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001827327 (or 1001827309 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122110221100 its reverse (112201122121), we get a palindrome (12234311343221).

The spelling of 12122110221100 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty-one thousand, one hundred".