212012112220001 has 2 divisors, whose sum is σ = 212012112220002. Its totient is φ = 212012112220000.

The previous prime is 212012112219953. The next prime is 212012112220049. The reversal of 212012112220001 is 100022211210212.

It is a balanced prime because it is at equal distance from previous prime (212012112219953) and next prime (212012112220049).

It can be written as a sum of positive squares in only one way, i.e., 159232599187600 + 52779513032401 = 12618740^2 + 7264951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212012112220001 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012112220801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006056110000 + 106006056110001.

It is an arithmetic number, because the mean of its divisors is an integer number (106006056110001).

Almost surely, 2^{212012112220001} is an apocalyptic number.

It is an amenable number.

212012112220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012112220001 is an equidigital number, since it uses as much as digits as its factorization.

212012112220001 is an evil number, because the sum of its binary digits is even.

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

Adding to 212012112220001 its reverse (100022211210212), we get a palindrome (312034323430213).

The spelling of 212012112220001 in words is "two hundred twelve trillion, twelve billion, one hundred twelve million, two hundred twenty thousand, one".