1201344203133 has 24 divisors (see below), whose sum is σ = 1795329283800. Its totient is φ = 773185440384.

The previous prime is 1201344203123. The next prime is 1201344203179. The reversal of 1201344203133 is 3313024431021.

It is a happy number.

1201344203133 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 344 + 2 + 0 + 313 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 96884032644 + 1104460170489 = 311262^2 + 1050933^2 .

It is not a de Polignac number, because 1201344203133 - 2¹⁰ = 1201344202109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201344203097 and 1201344203106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201344203123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1915191 + ... + 2463867.

It is an arithmetic number, because the mean of its divisors is an integer number (74805386825).

Almost surely, 2^{1201344203133} is an apocalyptic number.

It is an amenable number.

1201344203133 is a deficient number, since it is larger than the sum of its proper divisors (593985080667).

1201344203133 is a wasteful number, since it uses less digits than its factorization.

1201344203133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557101 (or 557098 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1201344203133 its reverse (3313024431021), we get a palindrome (4514368634154).

The spelling of 1201344203133 in words is "one trillion, two hundred one billion, three hundred forty-four million, two hundred three thousand, one hundred thirty-three".