12212120000011 has 16 divisors (see below), whose sum is σ = 12421760451840. Its totient is φ = 12003578364960.

The previous prime is 12212119999993. The next prime is 12212120000021. The reversal of 12212120000011 is 11000002121221.

It is a cyclic number.

It is not a de Polignac number, because 12212120000011 - 2¹⁹ = 12212119475723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212119999946 and 12212120000000.

It is not an unprimeable number, because it can be changed into a prime (12212120000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32006220 + ... + 32385526.

It is an arithmetic number, because the mean of its divisors is an integer number (776360028240).

Almost surely, 2^{12212120000011} is an apocalyptic number.

12212120000011 is a deficient number, since it is larger than the sum of its proper divisors (209640451829).

12212120000011 is an equidigital number, since it uses as much as digits as its factorization.

12212120000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380754.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12212120000011 its reverse (11000002121221), we get a palindrome (23212122121232).

The spelling of 12212120000011 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, eleven", and thus it is an aban number.