1201331232301 has 4 divisors (see below), whose sum is σ = 1207555746652. Its totient is φ = 1195106717952.

The previous prime is 1201331232293. The next prime is 1201331232313. The reversal of 1201331232301 is 1032321331021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 400796617225 + 800534615076 = 633085^2 + 894726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201331232301 - 2³ = 1201331232293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201331232371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112256886 + ... + 3112257271.

It is an arithmetic number, because the mean of its divisors is an integer number (301888936663).

Almost surely, 2^{1201331232301} is an apocalyptic number.

It is an amenable number.

1201331232301 is a deficient number, since it is larger than the sum of its proper divisors (6224514351).

1201331232301 is an equidigital number, since it uses as much as digits as its factorization.

1201331232301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224514350.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1201331232301 its reverse (1032321331021), we get a palindrome (2233652563322).

The spelling of 1201331232301 in words is "one trillion, two hundred one billion, three hundred thirty-one million, two hundred thirty-two thousand, three hundred one".