12220000220100 has 144 divisors (see below), whose sum is σ = 35405989871616. Its totient is φ = 3254111760000.

The previous prime is 12220000220059. The next prime is 12220000220107. The reversal of 12220000220100 is 102200002221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (12220000220107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 735825997 + ... + 735842603.

It is an arithmetic number, because the mean of its divisors is an integer number (245874929664).

Almost surely, 2^{12220000220100} is an apocalyptic number.

12220000220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220000220100 is an abundant number, since it is smaller than the sum of its proper divisors (23185989651516).

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

12220000220100 is a wasteful number, since it uses less digits than its factorization.

12220000220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19906 (or 19899 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12220000220100 its reverse (102200002221), we get a palindrome (12322200222321).

The spelling of 12220000220100 in words is "twelve trillion, two hundred twenty billion, two hundred twenty thousand, one hundred".