1012212200689 has 2 divisors, whose sum is σ = 1012212200690. Its totient is φ = 1012212200688.

The previous prime is 1012212200683. The next prime is 1012212200711. The reversal of 1012212200689 is 9860022122101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769537736289 + 242674464400 = 877233^2 + 492620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012212200689 - 2⁷ = 1012212200561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012212200683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106100344 + 506106100345.

It is an arithmetic number, because the mean of its divisors is an integer number (506106100345).

Almost surely, 2^{1012212200689} is an apocalyptic number.

It is an amenable number.

1012212200689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012212200689 is an equidigital number, since it uses as much as digits as its factorization.

1012212200689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 1012212200689 in words is "one trillion, twelve billion, two hundred twelve million, two hundred thousand, six hundred eighty-nine".