12022201211100 has 72 divisors (see below), whose sum is σ = 34784798213760. Its totient is φ = 3205868460480.

The previous prime is 12022201211089. The next prime is 12022201211101. The reversal of 12022201211100 is 111210222021.

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 12022201211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022201211101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20471361 + ... + 21050439.

Almost surely, 2^{12022201211100} is an apocalyptic number.

12022201211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022201211100 is an abundant number, since it is smaller than the sum of its proper divisors (22762597002660).

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

12022201211100 is a wasteful number, since it uses less digits than its factorization.

12022201211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648299 (or 648292 counting only the distinct ones).

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

Adding to 12022201211100 its reverse (111210222021), we get a palindrome (12133411433121).

The spelling of 12022201211100 in words is "twelve trillion, twenty-two billion, two hundred one million, two hundred eleven thousand, one hundred".