1000212077 has 2 divisors, whose sum is σ = 1000212078. Its totient is φ = 1000212076.

The previous prime is 1000212061. The next prime is 1000212107. The reversal of 1000212077 is 7702120001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 635745796 + 364466281 = 25214^2 + 19091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000212077 - 2⁴ = 1000212061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000212007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500106038 + 500106039.

It is an arithmetic number, because the mean of its divisors is an integer number (500106039).

Almost surely, 2^1000212077 is an apocalyptic number.

It is an amenable number.

1000212077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000212077 is an equidigital number, since it uses as much as digits as its factorization.

1000212077 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 20.

The square root of 1000212077 is about 31626.1296557135. The cubic root of 1000212077 is about 1000.0706873365.

Adding to 1000212077 its reverse (7702120001), we get a palindrome (8702332078).

The spelling of 1000212077 in words is "one billion, two hundred twelve thousand, seventy-seven".