1012122020711 has 2 divisors, whose sum is σ = 1012122020712. Its totient is φ = 1012122020710.

The previous prime is 1012122020687. The next prime is 1012122020719. The reversal of 1012122020711 is 1170202212101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012122020711 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012122020719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506061010355 + 506061010356.

It is an arithmetic number, because the mean of its divisors is an integer number (506061010356).

Almost surely, 2^{1012122020711} is an apocalyptic number.

1012122020711 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012122020711 is an equidigital number, since it uses as much as digits as its factorization.

1012122020711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1012122020711 its reverse (1170202212101), we get a palindrome (2182324232812).

The spelling of 1012122020711 in words is "one trillion, twelve billion, one hundred twenty-two million, twenty thousand, seven hundred eleven".