12020322211100 has 36 divisors (see below), whose sum is σ = 29810399085264. Its totient is φ = 4121253329280.

The previous prime is 12020322211087. The next prime is 12020322211109. The reversal of 12020322211100 is 111222302021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020322211109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8585943737 + ... + 8585945136.

Almost surely, 2^{12020322211100} is an apocalyptic number.

12020322211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020322211100 is an abundant number, since it is smaller than the sum of its proper divisors (17790076874164).

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

12020322211100 is a wasteful number, since it uses less digits than its factorization.

12020322211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17171888894 (or 17171888887 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12020322211100 its reverse (111222302021), we get a palindrome (12131544513121).

The spelling of 12020322211100 in words is "twelve trillion, twenty billion, three hundred twenty-two million, two hundred eleven thousand, one hundred".