12122220202011 has 40 divisors (see below), whose sum is σ = 18450866120544. Its totient is φ = 7928700923520.

The previous prime is 12122220202009. The next prime is 12122220202121. The reversal of 12122220202011 is 11020202222121.

It is a happy number.

It is not a de Polignac number, because 12122220202011 - 2¹ = 12122220202009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122220202511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 224887615 + ... + 224941511.

Almost surely, 2^{12122220202011} is an apocalyptic number.

12122220202011 is a deficient number, since it is larger than the sum of its proper divisors (6328645918533).

12122220202011 is an equidigital number, since it uses as much as digits as its factorization.

12122220202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106353 (or 106344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122220202011 its reverse (11020202222121), we get a palindrome (23142422424132).

The spelling of 12122220202011 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty million, two hundred two thousand, eleven".