1201020000201 has 36 divisors (see below), whose sum is σ = 2035899257652. Its totient is φ = 680223688704.

The previous prime is 1201020000199. The next prime is 1201020000203. The reversal of 1201020000201 is 1020000201021.

It is an interprime number because it is at equal distance from previous prime (1201020000199) and next prime (1201020000203).

It can be written as a sum of positive squares in 2 ways, for example, as 457672545225 + 743347454976 = 676515^2 + 862176^2 .

It is not a de Polignac number, because 1201020000201 - 2¹ = 1201020000199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1201020000203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12000616 + ... + 12100281.

It is an arithmetic number, because the mean of its divisors is an integer number (56552757157).

Almost surely, 2^{1201020000201} is an apocalyptic number.

It is an amenable number.

1201020000201 is a deficient number, since it is larger than the sum of its proper divisors (834879257451).

1201020000201 is a wasteful number, since it uses less digits than its factorization.

1201020000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24101030 (or 24101020 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1201020000201 its reverse (1020000201021), we get a palindrome (2221020201222).

The spelling of 1201020000201 in words is "one trillion, two hundred one billion, twenty million, two hundred one", and thus it is an aban number.