12222101211020 has 48 divisors (see below), whose sum is σ = 27581816515680. Its totient is φ = 4532586077184.

The previous prime is 12222101210959. The next prime is 12222101211043. The reversal of 12222101211020 is 2011210122221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12222101211020.

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 15 ways as a sum of consecutive naturals, for example, 268241075 + ... + 268286634.

It is an arithmetic number, because the mean of its divisors is an integer number (574621177410).

Almost surely, 2^{12222101211020} is an apocalyptic number.

12222101211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222101211020 is an abundant number, since it is smaller than the sum of its proper divisors (15359715304660).

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

12222101211020 is a wasteful number, since it uses less digits than its factorization.

12222101211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536527802 (or 536527800 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12222101211020 its reverse (2011210122221), we get a palindrome (14233311333241).

The spelling of 12222101211020 in words is "twelve trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, twenty".