201201210000001 has 12 divisors (see below), whose sum is σ = 205076576065860. Its totient is φ = 197374060033920.

The previous prime is 201201209999969. The next prime is 201201210000013. The reversal of 201201210000001 is 100000012102102.

It can be written as a sum of positive squares in 2 ways, for example, as 112671006915600 + 88530203084401 = 10614660^2 + 9409049^2 .

It is not a de Polignac number, because 201201210000001 - 2⁵ = 201201209999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201210000031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68645980 + ... + 71516941.

It is an arithmetic number, because the mean of its divisors is an integer number (17089714672155).

Almost surely, 2^{201201210000001} is an apocalyptic number.

It is an amenable number.

201201210000001 is a deficient number, since it is larger than the sum of its proper divisors (3875366065859).

201201210000001 is an equidigital number, since it uses as much as digits as its factorization.

201201210000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140163264 (or 140163137 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201201210000001 its reverse (100000012102102), we get a palindrome (301201222102103).

The spelling of 201201210000001 in words is "two hundred one trillion, two hundred one billion, two hundred ten million, one", and thus it is an aban number.