212112220141 has 2 divisors, whose sum is σ = 212112220142. Its totient is φ = 212112220140.

The previous prime is 212112220087. The next prime is 212112220207. The reversal of 212112220141 is 141022211212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135685406025 + 76426814116 = 368355^2 + 276454^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112220141 - 2²⁷ = 211978002413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112221141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056110070 + 106056110071.

It is an arithmetic number, because the mean of its divisors is an integer number (106056110071).

Almost surely, 2^212112220141 is an apocalyptic number.

It is an amenable number.

212112220141 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112220141 is an equidigital number, since it uses as much as digits as its factorization.

212112220141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212112220141 its reverse (141022211212), we get a palindrome (353134431353).

The spelling of 212112220141 in words is "two hundred twelve billion, one hundred twelve million, two hundred twenty thousand, one hundred forty-one".