201041212789 has 2 divisors, whose sum is σ = 201041212790. Its totient is φ = 201041212788.

The previous prime is 201041212787. The next prime is 201041212819. The reversal of 201041212789 is 987212140102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133529583889 + 67511628900 = 365417^2 + 259830^2 .

It is a cyclic number.

It is not a de Polignac number, because 201041212789 - 2¹ = 201041212787 is a prime.

Together with 201041212787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201041212787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520606394 + 100520606395.

It is an arithmetic number, because the mean of its divisors is an integer number (100520606395).

Almost surely, 2^201041212789 is an apocalyptic number.

It is an amenable number.

201041212789 is a deficient number, since it is larger than the sum of its proper divisors (1).

201041212789 is an equidigital number, since it uses as much as digits as its factorization.

201041212789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 201041212789 in words is "two hundred one billion, forty-one million, two hundred twelve thousand, seven hundred eighty-nine".