212243144004061 has 2 divisors, whose sum is σ = 212243144004062. Its totient is φ = 212243144004060.

The previous prime is 212243144004043. The next prime is 212243144004077. The reversal of 212243144004061 is 160400441342212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194218924700025 + 18024219304036 = 13936245^2 + 4245494^2 .

It is a cyclic number.

It is not a de Polignac number, because 212243144004061 - 2¹⁷ = 212243143872989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212243144904061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106121572002030 + 106121572002031.

It is an arithmetic number, because the mean of its divisors is an integer number (106121572002031).

Almost surely, 2^{212243144004061} is an apocalyptic number.

It is an amenable number.

212243144004061 is a deficient number, since it is larger than the sum of its proper divisors (1).

212243144004061 is an equidigital number, since it uses as much as digits as its factorization.

212243144004061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 212243144004061 its reverse (160400441342212), we get a palindrome (372643585346273).

The spelling of 212243144004061 in words is "two hundred twelve trillion, two hundred forty-three billion, one hundred forty-four million, four thousand, sixty-one".