1201230011 has 2 divisors, whose sum is σ = 1201230012. Its totient is φ = 1201230010.

The previous prime is 1201229999. The next prime is 1201230053. The reversal of 1201230011 is 1100321021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1100321021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201230011 - 2³⁰ = 127488187 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201229974 and 1201230001.

It is not a weakly prime, because it can be changed into another prime (1201230091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600615005 + 600615006.

It is an arithmetic number, because the mean of its divisors is an integer number (600615006).

Almost surely, 2^1201230011 is an apocalyptic number.

1201230011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201230011 is an equidigital number, since it uses as much as digits as its factorization.

1201230011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1201230011 is about 34658.7652838355. The cubic root of 1201230011 is about 1063.0215234585.

Adding to 1201230011 its reverse (1100321021), we get a palindrome (2301551032).

The spelling of 1201230011 in words is "one billion, two hundred one million, two hundred thirty thousand, eleven".