101212101000077 has 2 divisors, whose sum is σ = 101212101000078. Its totient is φ = 101212101000076.

The previous prime is 101212101000071. The next prime is 101212101000107. The reversal of 101212101000077 is 770000101212101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98073885207076 + 3138215793001 = 9903226^2 + 1771501^2 .

It is a cyclic number.

It is not a de Polignac number, because 101212101000077 - 2¹⁸ = 101212100737933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101212101000071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606050500038 + 50606050500039.

It is an arithmetic number, because the mean of its divisors is an integer number (50606050500039).

Almost surely, 2^{101212101000077} is an apocalyptic number.

It is an amenable number.

101212101000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212101000077 is an equidigital number, since it uses as much as digits as its factorization.

101212101000077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 23.

Adding to 101212101000077 its reverse (770000101212101), we get a palindrome (871212202212178).

The spelling of 101212101000077 in words is "one hundred one trillion, two hundred twelve billion, one hundred one million, seventy-seven", and thus it is an aban number.