201200122030009 has 2 divisors, whose sum is σ = 201200122030010. Its totient is φ = 201200122030008.

The previous prime is 201200122029899. The next prime is 201200122030013. The reversal of 201200122030009 is 900030221002102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102047817904384 + 99152304125625 = 10101872^2 + 9957525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201200122030009 is a prime.

It is not a weakly prime, because it can be changed into another prime (201200122030709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600061015004 + 100600061015005.

It is an arithmetic number, because the mean of its divisors is an integer number (100600061015005).

Almost surely, 2^{201200122030009} is an apocalyptic number.

It is an amenable number.

201200122030009 is a deficient number, since it is larger than the sum of its proper divisors (1).

201200122030009 is an equidigital number, since it uses as much as digits as its factorization.

201200122030009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 201200122030009 in words is "two hundred one trillion, two hundred billion, one hundred twenty-two million, thirty thousand, nine".