201012212211677 has 2 divisors, whose sum is σ = 201012212211678. Its totient is φ = 201012212211676.

The previous prime is 201012212211673. The next prime is 201012212211709. The reversal of 201012212211677 is 776112212210102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200810268928516 + 201943283161 = 14170754^2 + 449381^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012212211677 - 2² = 201012212211673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201012212211673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506106105838 + 100506106105839.

It is an arithmetic number, because the mean of its divisors is an integer number (100506106105839).

Almost surely, 2^{201012212211677} is an apocalyptic number.

It is an amenable number.

201012212211677 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012212211677 is an equidigital number, since it uses as much as digits as its factorization.

201012212211677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 35.

Adding to 201012212211677 its reverse (776112212210102), we get a palindrome (977124424421779).

The spelling of 201012212211677 in words is "two hundred one trillion, twelve billion, two hundred twelve million, two hundred eleven thousand, six hundred seventy-seven".