1201123330133 has 2 divisors, whose sum is σ = 1201123330134. Its totient is φ = 1201123330132.

The previous prime is 1201123330103. The next prime is 1201123330151. The reversal of 1201123330133 is 3310333211021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1146265727044 + 54857603089 = 1070638^2 + 234217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201123330133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201123330099 and 1201123330108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201123330103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600561665066 + 600561665067.

It is an arithmetic number, because the mean of its divisors is an integer number (600561665067).

Almost surely, 2^{1201123330133} is an apocalyptic number.

It is an amenable number.

1201123330133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201123330133 is an equidigital number, since it uses as much as digits as its factorization.

1201123330133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1201123330133 its reverse (3310333211021), we get a palindrome (4511456541154).

The spelling of 1201123330133 in words is "one trillion, two hundred one billion, one hundred twenty-three million, three hundred thirty thousand, one hundred thirty-three".