1201202232001 has 2 divisors, whose sum is σ = 1201202232002. Its totient is φ = 1201202232000.

The previous prime is 1201202231989. The next prime is 1201202232029. The reversal of 1201202232001 is 1002322021021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120583147776 + 80619084225 = 1058576^2 + 283935^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201202232001 - 2⁵ = 1201202231969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201202233001) 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 as a sum of consecutive naturals, namely, 600601116000 + 600601116001.

It is an arithmetic number, because the mean of its divisors is an integer number (600601116001).

Almost surely, 2^{1201202232001} is an apocalyptic number.

It is an amenable number.

1201202232001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201202232001 is an equidigital number, since it uses as much as digits as its factorization.

1201202232001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1201202232001 its reverse (1002322021021), we get a palindrome (2203524253022).

The spelling of 1201202232001 in words is "one trillion, two hundred one billion, two hundred two million, two hundred thirty-two thousand, one".