1012220122013 has 2 divisors, whose sum is σ = 1012220122014. Its totient is φ = 1012220122012.

The previous prime is 1012220122009. The next prime is 1012220122021. The reversal of 1012220122013 is 3102210222101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011800609689 + 419512324 = 1005883^2 + 20482^2 .

It is an emirp because it is prime and its reverse (3102210222101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012220122013 - 2² = 1012220122009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012220121982 and 1012220122000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012220122003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506110061006 + 506110061007.

It is an arithmetic number, because the mean of its divisors is an integer number (506110061007).

Almost surely, 2^{1012220122013} is an apocalyptic number.

It is an amenable number.

1012220122013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012220122013 is an equidigital number, since it uses as much as digits as its factorization.

1012220122013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1012220122013 its reverse (3102210222101), we get a palindrome (4114430344114).

The spelling of 1012220122013 in words is "one trillion, twelve billion, two hundred twenty million, one hundred twenty-two thousand, thirteen".