201201262709 has 2 divisors, whose sum is σ = 201201262710. Its totient is φ = 201201262708.

The previous prime is 201201262627. The next prime is 201201262727. The reversal of 201201262709 is 907262102102.

201201262709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132503280100 + 68697982609 = 364010^2 + 262103^2 .

It is a cyclic number.

It is not a de Polignac number, because 201201262709 - 2⁸ = 201201262453 is a prime.

It is a super-3 number, since 3×201201262709³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201265709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600631354 + 100600631355.

It is an arithmetic number, because the mean of its divisors is an integer number (100600631355).

Almost surely, 2^201201262709 is an apocalyptic number.

It is an amenable number.

201201262709 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201262709 is an equidigital number, since it uses as much as digits as its factorization.

201201262709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 201201262709 in words is "two hundred one billion, two hundred one million, two hundred sixty-two thousand, seven hundred nine".