12202121201100 has 36 divisors (see below), whose sum is σ = 35304804009384. Its totient is φ = 3253898986880.

The previous prime is 12202121201003. The next prime is 12202121201111. The reversal of 12202121201100 is 110212120221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12202121201100.

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 11 ways as a sum of consecutive naturals, for example, 20336868369 + ... + 20336868968.

Almost surely, 2^{12202121201100} is an apocalyptic number.

12202121201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202121201100 is an abundant number, since it is smaller than the sum of its proper divisors (23102682808284).

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

12202121201100 is a wasteful number, since it uses less digits than its factorization.

12202121201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40673737354 (or 40673737347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12202121201100 its reverse (110212120221), we get a palindrome (12312333321321).

The spelling of 12202121201100 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred one thousand, one hundred".