1201133232133 has 8 divisors (see below), whose sum is σ = 1212804352760. Its totient is φ = 1189473958080.

The previous prime is 1201133232053. The next prime is 1201133232149. The reversal of 1201133232133 is 3312323311021.

It can be written as a sum of positive squares in 4 ways, for example, as 24379075044 + 1176754157089 = 156138^2 + 1084783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1201133232133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201133232098 and 1201133232107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201133233133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2757810 + ... + 3163507.

It is an arithmetic number, because the mean of its divisors is an integer number (151600544095).

Almost surely, 2^{1201133232133} is an apocalyptic number.

It is an amenable number.

1201133232133 is a deficient number, since it is larger than the sum of its proper divisors (11671120627).

1201133232133 is a wasteful number, since it uses less digits than its factorization.

1201133232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923287.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1201133232133 its reverse (3312323311021), we get a palindrome (4513456543154).

The spelling of 1201133232133 in words is "one trillion, two hundred one billion, one hundred thirty-three million, two hundred thirty-two thousand, one hundred thirty-three".