1001231230201 has 8 divisors (see below), whose sum is σ = 1002138354504. Its totient is φ = 1000324266240.

The previous prime is 1001231230193. The next prime is 1001231230213. The reversal of 1001231230201 is 1020321321001.

It can be written as a sum of positive squares in 4 ways, for example, as 49584155625 + 951647074576 = 222675^2 + 975524^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001231230201 - 2³ = 1001231230193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001231230231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14950371 + ... + 15017191.

It is an arithmetic number, because the mean of its divisors is an integer number (125267294313).

Almost surely, 2^{1001231230201} is an apocalyptic number.

It is an amenable number.

1001231230201 is a deficient number, since it is larger than the sum of its proper divisors (907124303).

1001231230201 is a wasteful number, since it uses less digits than its factorization.

1001231230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80171.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1001231230201 its reverse (1020321321001), we get a palindrome (2021552551202).

The spelling of 1001231230201 in words is "one trillion, one billion, two hundred thirty-one million, two hundred thirty thousand, two hundred one".