201201231001 has 8 divisors (see below), whose sum is σ = 201512188800. Its totient is φ = 200890342800.

The previous prime is 201201230999. The next prime is 201201231013. The reversal of 201201231001 is 100132102102.

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 201201231001 - 2¹ = 201201230999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201231041) 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, 10602960 + ... + 10621918.

It is an arithmetic number, because the mean of its divisors is an integer number (25189023600).

Almost surely, 2^201201231001 is an apocalyptic number.

It is an amenable number.

201201231001 is a deficient number, since it is larger than the sum of its proper divisors (310957799).

201201231001 is a wasteful number, since it uses less digits than its factorization.

201201231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34799.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201201231001 its reverse (100132102102), we get a palindrome (301333333103).

The spelling of 201201231001 in words is "two hundred one billion, two hundred one million, two hundred thirty-one thousand, one".