12220000212105 has 24 divisors (see below), whose sum is σ = 24207238516032. Its totient is φ = 5586285811104.

The previous prime is 12220000212103. The next prime is 12220000212109. The reversal of 12220000212105 is 50121200002221.

It is not a de Polignac number, because 12220000212105 - 2¹ = 12220000212103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220000212103) by changing a digit.

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, 19396825419 + ... + 19396826048.

It is an arithmetic number, because the mean of its divisors is an integer number (1008634938168).

Almost surely, 2^{12220000212105} is an apocalyptic number.

12220000212105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12220000212105 is a deficient number, since it is larger than the sum of its proper divisors (11987238303927).

12220000212105 is a wasteful number, since it uses less digits than its factorization.

12220000212105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38793651485 (or 38793651482 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 12220000212105 its reverse (50121200002221), we get a palindrome (62341200214326).

The spelling of 12220000212105 in words is "twelve trillion, two hundred twenty billion, two hundred twelve thousand, one hundred five".