12212200122011 has 4 divisors (see below), whose sum is σ = 12212472280800. Its totient is φ = 12211927963224.

The previous prime is 12212200121981. The next prime is 12212200122013. The reversal of 12212200122011 is 11022100221221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12212200122011 - 2¹⁰ = 12212200120987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212200122013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136012076 + ... + 136101833.

It is an arithmetic number, because the mean of its divisors is an integer number (3053118070200).

Almost surely, 2^{12212200122011} is an apocalyptic number.

12212200122011 is a deficient number, since it is larger than the sum of its proper divisors (272158789).

12212200122011 is an equidigital number, since it uses as much as digits as its factorization.

12212200122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272158788.

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

Adding to 12212200122011 its reverse (11022100221221), we get a palindrome (23234300343232).

The spelling of 12212200122011 in words is "twelve trillion, two hundred twelve billion, two hundred million, one hundred twenty-two thousand, eleven".