1012001201 has 2 divisors, whose sum is σ = 1012001202. Its totient is φ = 1012001200.

The previous prime is 1012001191. The next prime is 1012001257. The reversal of 1012001201 is 1021002101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968454400 + 43546801 = 31120^2 + 6599^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012001201 - 2²⁶ = 944892337 is a prime.

It is a super-3 number, since 3×1012001201³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1012001281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506000600 + 506000601.

It is an arithmetic number, because the mean of its divisors is an integer number (506000601).

Almost surely, 2^1012001201 is an apocalyptic number.

It is an amenable number.

1012001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012001201 is an equidigital number, since it uses as much as digits as its factorization.

1012001201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1012001201 is about 31811.9663177239. The cubic root of 1012001201 is about 1003.9845029830.

Adding to 1012001201 its reverse (1021002101), we get a palindrome (2033003302).

The spelling of 1012001201 in words is "one billion, twelve million, one thousand, two hundred one".