212143144342201 has 2 divisors, whose sum is σ = 212143144342202. Its totient is φ = 212143144342200.

The previous prime is 212143144342139. The next prime is 212143144342211. The reversal of 212143144342201 is 102243441341212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207542891509801 + 4600252832400 = 14406349^2 + 2144820^2 .

It is a cyclic number.

It is not a de Polignac number, because 212143144342201 - 2¹⁵ = 212143144309433 is a prime.

It is not a weakly prime, because it can be changed into another prime (212143144342211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106071572171100 + 106071572171101.

It is an arithmetic number, because the mean of its divisors is an integer number (106071572171101).

Almost surely, 2^{212143144342201} is an apocalyptic number.

It is an amenable number.

212143144342201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212143144342201 is an equidigital number, since it uses as much as digits as its factorization.

212143144342201 is an evil number, because the sum of its binary digits is even.

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

Adding to 212143144342201 its reverse (102243441341212), we get a palindrome (314386585683413).

The spelling of 212143144342201 in words is "two hundred twelve trillion, one hundred forty-three billion, one hundred forty-four million, three hundred forty-two thousand, two hundred one".