1201211012711 has 2 divisors, whose sum is σ = 1201211012712. Its totient is φ = 1201211012710.

The previous prime is 1201211012581. The next prime is 1201211012717. The reversal of 1201211012711 is 1172101121021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1172101121021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201211012711 - 2¹⁸ = 1201210750567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201211012717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600605506355 + 600605506356.

It is an arithmetic number, because the mean of its divisors is an integer number (600605506356).

Almost surely, 2^{1201211012711} is an apocalyptic number.

1201211012711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201211012711 is an equidigital number, since it uses as much as digits as its factorization.

1201211012711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 1201211012711 its reverse (1172101121021), we get a palindrome (2373312133732).

The spelling of 1201211012711 in words is "one trillion, two hundred one billion, two hundred eleven million, twelve thousand, seven hundred eleven".