1201332035243 has 16 divisors (see below), whose sum is σ = 1240459674624. Its totient is φ = 1162838342400.

The previous prime is 1201332035231. The next prime is 1201332035261. The reversal of 1201332035243 is 3425302331021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1201332035243 - 2¹² = 1201332031147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201332035203) 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 15 ways as a sum of consecutive naturals, for example, 1238171 + ... + 1983867.

It is an arithmetic number, because the mean of its divisors is an integer number (77528729664).

Almost surely, 2^{1201332035243} is an apocalyptic number.

1201332035243 is a deficient number, since it is larger than the sum of its proper divisors (39127639381).

1201332035243 is a wasteful number, since it uses less digits than its factorization.

1201332035243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746122.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 1201332035243 its reverse (3425302331021), we get a palindrome (4626634366264).

The spelling of 1201332035243 in words is "one trillion, two hundred one billion, three hundred thirty-two million, thirty-five thousand, two hundred forty-three".