12220002112100 has 72 divisors (see below), whose sum is σ = 27932679277440. Its totient is φ = 4627482410880.

The previous prime is 12220002112099. The next prime is 12220002112139. The reversal of 12220002112100 is 121120002221.

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 23 ways as a sum of consecutive naturals, for example, 443834 + ... + 4963566.

Almost surely, 2^{12220002112100} is an apocalyptic number.

12220002112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220002112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13966339638720).

12220002112100 is an abundant number, since it is smaller than the sum of its proper divisors (15712677165340).

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

12220002112100 is a wasteful number, since it uses less digits than its factorization.

12220002112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521189 (or 4521182 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220002112100 its reverse (121120002221), we get a palindrome (12341122114321).

The spelling of 12220002112100 in words is "twelve trillion, two hundred twenty billion, two million, one hundred twelve thousand, one hundred".