1201322212001 has 8 divisors (see below), whose sum is σ = 1206006347520. Its totient is φ = 1196639693712.

The previous prime is 1201322211997. The next prime is 1201322212009. The reversal of 1201322212001 is 1002122231021.

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 1201322212001 - 2² = 1201322211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201322212009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095056 + ... + 1897838.

It is an arithmetic number, because the mean of its divisors is an integer number (150750793440).

Almost surely, 2^{1201322212001} is an apocalyptic number.

It is an amenable number.

1201322212001 is a deficient number, since it is larger than the sum of its proper divisors (4684135519).

1201322212001 is an equidigital number, since it uses as much as digits as its factorization.

1201322212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808615.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1201322212001 its reverse (1002122231021), we get a palindrome (2203444443022).

The spelling of 1201322212001 in words is "one trillion, two hundred one billion, three hundred twenty-two million, two hundred twelve thousand, one".