1235243333201 has 4 divisors (see below), whose sum is σ = 1235256092004. Its totient is φ = 1235230574400.

The previous prime is 1235243333173. The next prime is 1235243333221. The reversal of 1235243333201 is 1023333425321.

It is a happy number.

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 60135300625 + 1175108032576 = 245225^2 + 1084024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1235243333201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235243333221) 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, 6233060 + ... + 6428181.

It is an arithmetic number, because the mean of its divisors is an integer number (308814023001).

Almost surely, 2^{1235243333201} is an apocalyptic number.

It is an amenable number.

1235243333201 is a deficient number, since it is larger than the sum of its proper divisors (12758803).

1235243333201 is an equidigital number, since it uses as much as digits as its factorization.

1235243333201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12758802.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 1235243333201 its reverse (1023333425321), we get a palindrome (2258576758522).

The spelling of 1235243333201 in words is "one trillion, two hundred thirty-five billion, two hundred forty-three million, three hundred thirty-three thousand, two hundred one".