212012220011 has 2 divisors, whose sum is σ = 212012220012. Its totient is φ = 212012220010.

The previous prime is 212012219981. The next prime is 212012220023. The reversal of 212012220011 is 110022210212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212012220011 - 2²² = 212008025707 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012220811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006110005 + 106006110006.

It is an arithmetic number, because the mean of its divisors is an integer number (106006110006).

Almost surely, 2^212012220011 is an apocalyptic number.

212012220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012220011 is an equidigital number, since it uses as much as digits as its factorization.

212012220011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212012220011 its reverse (110022210212), we get a palindrome (322034430223).

The spelling of 212012220011 in words is "two hundred twelve billion, twelve million, two hundred twenty thousand, eleven".