1220112700013 has 2 divisors, whose sum is σ = 1220112700014. Its totient is φ = 1220112700012.

The previous prime is 1220112699991. The next prime is 1220112700033. The reversal of 1220112700013 is 3100072110221.

It is an a-pointer prime, because the next prime (1220112700033) can be obtained adding 1220112700013 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735789959524 + 484322740489 = 857782^2 + 695933^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220112700013 - 2²² = 1220108505709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220112700033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610056350006 + 610056350007.

It is an arithmetic number, because the mean of its divisors is an integer number (610056350007).

Almost surely, 2^{1220112700013} is an apocalyptic number.

It is an amenable number.

1220112700013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220112700013 is an equidigital number, since it uses as much as digits as its factorization.

1220112700013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 1220112700013 its reverse (3100072110221), we get a palindrome (4320184810234).

The spelling of 1220112700013 in words is "one trillion, two hundred twenty billion, one hundred twelve million, seven hundred thousand, thirteen".