212012110021301 has 2 divisors, whose sum is σ = 212012110021302. Its totient is φ = 212012110021300.

The previous prime is 212012110021297. The next prime is 212012110021307. The reversal of 212012110021301 is 103120011210212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184367922586225 + 27644187435076 = 13578215^2 + 5257774^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012110021301 - 2² = 212012110021297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212012110021301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212012110021307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006055010650 + 106006055010651.

It is an arithmetic number, because the mean of its divisors is an integer number (106006055010651).

Almost surely, 2^{212012110021301} is an apocalyptic number.

It is an amenable number.

212012110021301 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012110021301 is an equidigital number, since it uses as much as digits as its factorization.

212012110021301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212012110021301 its reverse (103120011210212), we get a palindrome (315132121231513).

The spelling of 212012110021301 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, twenty-one thousand, three hundred one".