1201222302001 has 4 divisors (see below), whose sum is σ = 1201377126400. Its totient is φ = 1201067477604.

The previous prime is 1201222301963. The next prime is 1201222302011. The reversal of 1201222302001 is 1002032221021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201222302001 - 2²⁵ = 1201188747569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201222302011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77400561 + ... + 77416078.

It is an arithmetic number, because the mean of its divisors is an integer number (300344281600).

Almost surely, 2^{1201222302001} is an apocalyptic number.

It is an amenable number.

1201222302001 is a deficient number, since it is larger than the sum of its proper divisors (154824399).

1201222302001 is an equidigital number, since it uses as much as digits as its factorization.

1201222302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154824398.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1201222302001 its reverse (1002032221021), we get a palindrome (2203254523022).

The spelling of 1201222302001 in words is "one trillion, two hundred one billion, two hundred twenty-two million, three hundred two thousand, one".