1201000231201 has 2 divisors, whose sum is σ = 1201000231202. Its totient is φ = 1201000231200.

The previous prime is 1201000231199. The next prime is 1201000231271. The reversal of 1201000231201 is 1021320001021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094952960000 + 106047271201 = 1046400^2 + 325649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201000231201 - 2¹ = 1201000231199 is a prime.

Together with 1201000231199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1201000231271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600500115600 + 600500115601.

It is an arithmetic number, because the mean of its divisors is an integer number (600500115601).

Almost surely, 2^{1201000231201} is an apocalyptic number.

It is an amenable number.

1201000231201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201000231201 is an equidigital number, since it uses as much as digits as its factorization.

1201000231201 is an evil number, because the sum of its binary digits is even.

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

Adding to 1201000231201 its reverse (1021320001021), we get a palindrome (2222320232222).

The spelling of 1201000231201 in words is "one trillion, two hundred one billion, two hundred thirty-one thousand, two hundred one".