1211241342033 has 6 divisors (see below), whose sum is σ = 1749570827394. Its totient is φ = 807494228016.

The previous prime is 1211241342011. The next prime is 1211241342071. The reversal of 1211241342033 is 3302431421121.

1211241342033 is a `hidden beast` number, since 1 + 211 + 2 + 413 + 4 + 2 + 0 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1138164655104 + 73076686929 = 1066848^2 + 270327^2 .

It is not a de Polignac number, because 1211241342033 - 2⁸ = 1211241341777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211241341988 and 1211241342006.

It is not an unprimeable number, because it can be changed into a prime (1211241342083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67291185660 + ... + 67291185677.

It is an arithmetic number, because the mean of its divisors is an integer number (291595137899).

Almost surely, 2^{1211241342033} is an apocalyptic number.

It is an amenable number.

1211241342033 is a deficient number, since it is larger than the sum of its proper divisors (538329485361).

1211241342033 is a wasteful number, since it uses less digits than its factorization.

1211241342033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134582371343 (or 134582371340 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1211241342033 its reverse (3302431421121), we get a palindrome (4513672763154).

The spelling of 1211241342033 in words is "one trillion, two hundred eleven billion, two hundred forty-one million, three hundred forty-two thousand, thirty-three".