201012212211673 has 2 divisors, whose sum is σ = 201012212211674. Its totient is φ = 201012212211672.

The previous prime is 201012212211667. The next prime is 201012212211677. The reversal of 201012212211673 is 376112212210102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200997905181129 + 14307030544 = 14177373^2 + 119612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012212211673 is a prime.

It is not a weakly prime, because it can be changed into another prime (201012212211677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506106105836 + 100506106105837.

It is an arithmetic number, because the mean of its divisors is an integer number (100506106105837).

Almost surely, 2^{201012212211673} is an apocalyptic number.

It is an amenable number.

201012212211673 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012212211673 is an equidigital number, since it uses as much as digits as its factorization.

201012212211673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 201012212211673 its reverse (376112212210102), we get a palindrome (577124424421775).

The spelling of 201012212211673 in words is "two hundred one trillion, twelve billion, two hundred twelve million, two hundred eleven thousand, six hundred seventy-three".